(4) Rename files to snake_case: update BUILD.gn, include paths, header guards, and DEPS entries

Mechanically generated by running this command:

tools_webrtc/do-renames.sh update all-renames.txt && git cl format

Then manually updating:

tools_webrtc/sanitizers/tsan_suppressions_webrtc.cc

Bug: webrtc:10159
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Change-Id: I54824cd91dada8fc3ee3d098f971bc319d477833
Reviewed-on: https://webrtc-review.googlesource.com/c/115653
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26226}
diff --git a/modules/audio_coding/acm2/acm_receive_test.h b/modules/audio_coding/acm2/acm_receive_test.h
index 04aefc7..23e48a0 100644
--- a/modules/audio_coding/acm2/acm_receive_test.h
+++ b/modules/audio_coding/acm2/acm_receive_test.h
@@ -16,7 +16,7 @@
 #include <string>
 
 #include "api/audio_codecs/audio_decoder_factory.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 #include "system_wrappers/include/clock.h"
 
diff --git a/modules/audio_coding/acm2/acm_receiver.h b/modules/audio_coding/acm2/acm_receiver.h
index 0cbaa9a..d3b41c8 100644
--- a/modules/audio_coding/acm2/acm_receiver.h
+++ b/modules/audio_coding/acm2/acm_receiver.h
@@ -25,7 +25,7 @@
 #include "modules/audio_coding/acm2/acm_resampler.h"
 #include "modules/audio_coding/acm2/call_statistics.h"
 #include "modules/audio_coding/include/audio_coding_module.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/acm2/acm_receiver_unittest.cc b/modules/audio_coding/acm2/acm_receiver_unittest.cc
index 8b3d2e4..d5392dc 100644
--- a/modules/audio_coding/acm2/acm_receiver_unittest.cc
+++ b/modules/audio_coding/acm2/acm_receiver_unittest.cc
@@ -23,7 +23,7 @@
 #include "rtc_base/numerics/safe_conversions.h"
 #include "system_wrappers/include/clock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/acm2/acm_send_test.cc b/modules/audio_coding/acm2/acm_send_test.cc
index cf9c8eb..98d673f 100644
--- a/modules/audio_coding/acm2/acm_send_test.cc
+++ b/modules/audio_coding/acm2/acm_send_test.cc
@@ -22,7 +22,7 @@
 #include "modules/audio_coding/neteq/tools/input_audio_file.h"
 #include "modules/audio_coding/neteq/tools/packet.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/stringencode.h"
+#include "rtc_base/string_encode.h"
 #include "test/gtest.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/acm2/acm_send_test.h b/modules/audio_coding/acm2/acm_send_test.h
index 3479de0..24d230b 100644
--- a/modules/audio_coding/acm2/acm_send_test.h
+++ b/modules/audio_coding/acm2/acm_send_test.h
@@ -17,7 +17,7 @@
 #include "api/audio/audio_frame.h"
 #include "modules/audio_coding/include/audio_coding_module.h"
 #include "modules/audio_coding/neteq/tools/packet_source.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "system_wrappers/include/clock.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/acm2/audio_coding_module.cc b/modules/audio_coding/acm2/audio_coding_module.cc
index 60da679..2ce768b 100644
--- a/modules/audio_coding/acm2/audio_coding_module.cc
+++ b/modules/audio_coding/acm2/audio_coding_module.cc
@@ -22,7 +22,7 @@
 #include "modules/include/module_common_types_public.h"
 #include "rtc_base/buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/logging.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/thread_annotations.h"
diff --git a/modules/audio_coding/acm2/audio_coding_module_unittest.cc b/modules/audio_coding/acm2/audio_coding_module_unittest.cc
index a016481..5037bc6 100644
--- a/modules/audio_coding/acm2/audio_coding_module_unittest.cc
+++ b/modules/audio_coding/acm2/audio_coding_module_unittest.cc
@@ -34,12 +34,12 @@
 #include "modules/audio_coding/neteq/tools/output_wav_file.h"
 #include "modules/audio_coding/neteq/tools/packet.h"
 #include "modules/audio_coding/neteq/tools/rtp_file_source.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/event.h"
-#include "rtc_base/messagedigest.h"
+#include "rtc_base/message_digest.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/platform_thread.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "rtc_base/system/arch.h"
 #include "rtc_base/thread_annotations.h"
 #include "system_wrappers/include/clock.h"
@@ -47,7 +47,7 @@
 #include "test/gtest.h"
 #include "test/mock_audio_decoder.h"
 #include "test/mock_audio_encoder.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using ::testing::AtLeast;
 using ::testing::Invoke;
diff --git a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc
index 9e47a06..6731d50 100644
--- a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc
+++ b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_coding/audio_network_adaptor/debug_dump_writer.h"
 #include "modules/audio_coding/audio_network_adaptor/event_log_writer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/field_trial.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h
index 4c1c19b..fc2358b 100644
--- a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h
+++ b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h
@@ -20,7 +20,7 @@
 #include "modules/audio_coding/audio_network_adaptor/debug_dump_writer.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl_unittest.cc b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl_unittest.cc
index be9550a..76531d0 100644
--- a/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl_unittest.cc
+++ b/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl_unittest.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_controller.h"
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_controller_manager.h"
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_debug_dump_writer.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "test/field_trial.h"
 #include "test/gtest.h"
 
diff --git a/modules/audio_coding/audio_network_adaptor/bitrate_controller.h b/modules/audio_coding/audio_network_adaptor/bitrate_controller.h
index 6b6330b..41bfbd1 100644
--- a/modules/audio_coding/audio_network_adaptor/bitrate_controller.h
+++ b/modules/audio_coding/audio_network_adaptor/bitrate_controller.h
@@ -16,7 +16,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace audio_network_adaptor {
diff --git a/modules/audio_coding/audio_network_adaptor/channel_controller.h b/modules/audio_coding/audio_network_adaptor/channel_controller.h
index 0d775b1..f211f40 100644
--- a/modules/audio_coding/audio_network_adaptor/channel_controller.h
+++ b/modules/audio_coding/audio_network_adaptor/channel_controller.h
@@ -16,7 +16,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/controller_manager.cc b/modules/audio_coding/audio_network_adaptor/controller_manager.cc
index 6c99561..91c359d 100644
--- a/modules/audio_coding/audio_network_adaptor/controller_manager.cc
+++ b/modules/audio_coding/audio_network_adaptor/controller_manager.cc
@@ -22,7 +22,7 @@
 #include "modules/audio_coding/audio_network_adaptor/frame_length_controller.h"
 #include "modules/audio_coding/audio_network_adaptor/util/threshold_curve.h"
 #include "rtc_base/ignore_wundef.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 #if WEBRTC_ENABLE_PROTOBUF
 RTC_PUSH_IGNORING_WUNDEF()
diff --git a/modules/audio_coding/audio_network_adaptor/controller_manager.h b/modules/audio_coding/audio_network_adaptor/controller_manager.h
index 1ff9bbf..4980085 100644
--- a/modules/audio_coding/audio_network_adaptor/controller_manager.h
+++ b/modules/audio_coding/audio_network_adaptor/controller_manager.h
@@ -16,7 +16,7 @@
 #include <vector>
 
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/protobuf_utils.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/audio_network_adaptor/controller_manager_unittest.cc b/modules/audio_coding/audio_network_adaptor/controller_manager_unittest.cc
index 061e4aa..2bdea19 100644
--- a/modules/audio_coding/audio_network_adaptor/controller_manager_unittest.cc
+++ b/modules/audio_coding/audio_network_adaptor/controller_manager_unittest.cc
@@ -13,7 +13,7 @@
 #include "modules/audio_coding/audio_network_adaptor/controller_manager.h"
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_controller.h"
 #include "modules/audio_coding/audio_network_adaptor/mock/mock_debug_dump_writer.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "rtc_base/ignore_wundef.h"
 #include "rtc_base/protobuf_utils.h"
 #include "test/gtest.h"
diff --git a/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h b/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
index b464eb6..367f659 100644
--- a/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
+++ b/modules/audio_coding/audio_network_adaptor/debug_dump_writer.h
@@ -15,7 +15,7 @@
 
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/ignore_wundef.h"
 #include "rtc_base/system/file_wrapper.h"
 #if WEBRTC_ENABLE_PROTOBUF
diff --git a/modules/audio_coding/audio_network_adaptor/dtx_controller.h b/modules/audio_coding/audio_network_adaptor/dtx_controller.h
index d3334ec..83fdf3d 100644
--- a/modules/audio_coding/audio_network_adaptor/dtx_controller.h
+++ b/modules/audio_coding/audio_network_adaptor/dtx_controller.h
@@ -14,7 +14,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/event_log_writer.h b/modules/audio_coding/audio_network_adaptor/event_log_writer.h
index 72b5245..c5e57e6 100644
--- a/modules/audio_coding/audio_network_adaptor/event_log_writer.h
+++ b/modules/audio_coding/audio_network_adaptor/event_log_writer.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_AUDIO_NETWORK_ADAPTOR_EVENT_LOG_WRITER_H_
 
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 class RtcEventLog;
diff --git a/modules/audio_coding/audio_network_adaptor/fec_controller_plr_based.h b/modules/audio_coding/audio_network_adaptor/fec_controller_plr_based.h
index b7d3d56..87afe2e 100644
--- a/modules/audio_coding/audio_network_adaptor/fec_controller_plr_based.h
+++ b/modules/audio_coding/audio_network_adaptor/fec_controller_plr_based.h
@@ -18,7 +18,7 @@
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
 #include "modules/audio_coding/audio_network_adaptor/util/threshold_curve.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/fec_controller_rplr_based.h b/modules/audio_coding/audio_network_adaptor/fec_controller_rplr_based.h
index 421cb70..c547bff 100644
--- a/modules/audio_coding/audio_network_adaptor/fec_controller_rplr_based.h
+++ b/modules/audio_coding/audio_network_adaptor/fec_controller_rplr_based.h
@@ -15,7 +15,7 @@
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
 #include "modules/audio_coding/audio_network_adaptor/util/threshold_curve.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/audio_network_adaptor/frame_length_controller.h b/modules/audio_coding/audio_network_adaptor/frame_length_controller.h
index c852704..e182247 100644
--- a/modules/audio_coding/audio_network_adaptor/frame_length_controller.h
+++ b/modules/audio_coding/audio_network_adaptor/frame_length_controller.h
@@ -18,7 +18,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/audio_network_adaptor/controller.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor_config.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/cng/audio_encoder_cng_unittest.cc b/modules/audio_coding/codecs/cng/audio_encoder_cng_unittest.cc
index e3655b4..3ecefd4 100644
--- a/modules/audio_coding/codecs/cng/audio_encoder_cng_unittest.cc
+++ b/modules/audio_coding/codecs/cng/audio_encoder_cng_unittest.cc
@@ -13,7 +13,7 @@
 
 #include "common_audio/vad/mock/mock_vad.h"
 #include "modules/audio_coding/codecs/cng/audio_encoder_cng.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "test/gtest.h"
 #include "test/mock_audio_encoder.h"
diff --git a/modules/audio_coding/codecs/cng/cng_unittest.cc b/modules/audio_coding/codecs/cng/cng_unittest.cc
index 81688b1..80349e2 100644
--- a/modules/audio_coding/codecs/cng/cng_unittest.cc
+++ b/modules/audio_coding/codecs/cng/cng_unittest.cc
@@ -12,7 +12,7 @@
 
 #include "modules/audio_coding/codecs/cng/webrtc_cng.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/g711/audio_decoder_pcm.h b/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
index 9a01b8a..8fae71c 100644
--- a/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
+++ b/modules/audio_coding/codecs/g711/audio_decoder_pcm.h
@@ -18,7 +18,7 @@
 #include "api/audio_codecs/audio_decoder.h"
 #include "rtc_base/buffer.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/g711/audio_encoder_pcm.h b/modules/audio_coding/codecs/g711/audio_encoder_pcm.h
index 88668d9..e41c2a3 100644
--- a/modules/audio_coding/codecs/g711/audio_encoder_pcm.h
+++ b/modules/audio_coding/codecs/g711/audio_encoder_pcm.h
@@ -14,7 +14,7 @@
 #include <vector>
 
 #include "api/audio_codecs/audio_encoder.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/g722/audio_decoder_g722.h b/modules/audio_coding/codecs/g722/audio_decoder_g722.h
index 3240448..6911e0b 100644
--- a/modules/audio_coding/codecs/g722/audio_decoder_g722.h
+++ b/modules/audio_coding/codecs/g722/audio_decoder_g722.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_CODECS_G722_AUDIO_DECODER_G722_H_
 
 #include "api/audio_codecs/audio_decoder.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 typedef struct WebRtcG722DecInst G722DecInst;
 
diff --git a/modules/audio_coding/codecs/g722/audio_encoder_g722.h b/modules/audio_coding/codecs/g722/audio_encoder_g722.h
index d0d23ca..cf45fb5 100644
--- a/modules/audio_coding/codecs/g722/audio_encoder_g722.h
+++ b/modules/audio_coding/codecs/g722/audio_encoder_g722.h
@@ -17,7 +17,7 @@
 #include "api/audio_codecs/g722/audio_encoder_g722_config.h"
 #include "modules/audio_coding/codecs/g722/g722_interface.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h b/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h
index fcb2074..d73ef0d 100644
--- a/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h
+++ b/modules/audio_coding/codecs/ilbc/audio_decoder_ilbc.h
@@ -17,7 +17,7 @@
 
 #include "api/audio_codecs/audio_decoder.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 typedef struct iLBC_decinst_t_ IlbcDecoderInstance;
 
diff --git a/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.h b/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.h
index 675dc7d..ada613b 100644
--- a/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.h
+++ b/modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.h
@@ -14,7 +14,7 @@
 #include "api/audio_codecs/audio_encoder.h"
 #include "api/audio_codecs/ilbc/audio_encoder_ilbc_config.h"
 #include "modules/audio_coding/codecs/ilbc/ilbc.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h b/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h
index f840ffa..ab9a6ed 100644
--- a/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h
+++ b/modules/audio_coding/codecs/isac/audio_decoder_isac_t.h
@@ -16,7 +16,7 @@
 #include "absl/types/optional.h"
 #include "api/audio_codecs/audio_decoder.h"
 #include "modules/audio_coding/codecs/isac/locked_bandwidth_info.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h b/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
index 2989898..91eb1fd 100644
--- a/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
+++ b/modules/audio_coding/codecs/isac/audio_encoder_isac_t.h
@@ -15,7 +15,7 @@
 
 #include "api/audio_codecs/audio_encoder.h"
 #include "modules/audio_coding/codecs/isac/locked_bandwidth_info.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/isac/locked_bandwidth_info.h b/modules/audio_coding/codecs/isac/locked_bandwidth_info.h
index 37074f8..0b1bc7d 100644
--- a/modules/audio_coding/codecs/isac/locked_bandwidth_info.h
+++ b/modules/audio_coding/codecs/isac/locked_bandwidth_info.h
@@ -12,8 +12,8 @@
 #define MODULES_AUDIO_CODING_CODECS_ISAC_LOCKED_BANDWIDTH_INFO_H_
 
 #include "modules/audio_coding/codecs/isac/bandwidth_info.h"
-#include "rtc_base/atomicops.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/atomic_ops.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc b/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc
index 3ec28cc..6d9b013 100644
--- a/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc
+++ b/modules/audio_coding/codecs/isac/main/source/isac_unittest.cc
@@ -11,7 +11,7 @@
 
 #include "modules/audio_coding/codecs/isac/main/include/isac.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 struct WebRtcISACStruct;
 
diff --git a/modules/audio_coding/codecs/isac/unittest.cc b/modules/audio_coding/codecs/isac/unittest.cc
index 5855d56..6791745 100644
--- a/modules/audio_coding/codecs/isac/unittest.cc
+++ b/modules/audio_coding/codecs/isac/unittest.cc
@@ -19,7 +19,7 @@
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/opus/audio_decoder_opus.h b/modules/audio_coding/codecs/opus/audio_decoder_opus.h
index 8043425..d8cc5c1 100644
--- a/modules/audio_coding/codecs/opus/audio_decoder_opus.h
+++ b/modules/audio_coding/codecs/opus/audio_decoder_opus.h
@@ -18,7 +18,7 @@
 #include "api/audio_codecs/audio_decoder.h"
 #include "modules/audio_coding/codecs/opus/opus_interface.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/opus/audio_encoder_opus.cc b/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
index a5c4380..0b8f29f 100644
--- a/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
+++ b/modules/audio_coding/codecs/opus/audio_encoder_opus.cc
@@ -27,7 +27,7 @@
 #include "rtc_base/numerics/safe_minmax.h"
 #include "rtc_base/protobuf_utils.h"
 #include "rtc_base/string_to_number.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/field_trial.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/opus/audio_encoder_opus.h b/modules/audio_coding/codecs/opus/audio_encoder_opus.h
index 7d051d5..4533d73 100644
--- a/modules/audio_coding/codecs/opus/audio_encoder_opus.h
+++ b/modules/audio_coding/codecs/opus/audio_encoder_opus.h
@@ -23,7 +23,7 @@
 #include "common_audio/smoothing_filter.h"
 #include "modules/audio_coding/audio_network_adaptor/include/audio_network_adaptor.h"
 #include "modules/audio_coding/codecs/opus/opus_interface.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/protobuf_utils.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc b/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
index a0e24da..6b34361 100644
--- a/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
+++ b/modules/audio_coding/codecs/opus/audio_encoder_opus_unittest.cc
@@ -20,11 +20,11 @@
 #include "modules/audio_coding/codecs/opus/opus_interface.h"
 #include "modules/audio_coding/neteq/tools/audio_loop.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/fakeclock.h"
+#include "rtc_base/fake_clock.h"
 #include "test/field_trial.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 using ::testing::NiceMock;
diff --git a/modules/audio_coding/codecs/opus/opus_bandwidth_unittest.cc b/modules/audio_coding/codecs/opus/opus_bandwidth_unittest.cc
index 7e6b626..2c8edf0 100644
--- a/modules/audio_coding/codecs/opus/opus_bandwidth_unittest.cc
+++ b/modules/audio_coding/codecs/opus/opus_bandwidth_unittest.cc
@@ -16,7 +16,7 @@
 #include "modules/audio_coding/neteq/tools/audio_loop.h"
 #include "test/field_trial.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace {
diff --git a/modules/audio_coding/codecs/opus/opus_complexity_unittest.cc b/modules/audio_coding/codecs/opus/opus_complexity_unittest.cc
index 4c9174d..84bad33 100644
--- a/modules/audio_coding/codecs/opus/opus_complexity_unittest.cc
+++ b/modules/audio_coding/codecs/opus/opus_complexity_unittest.cc
@@ -11,9 +11,9 @@
 #include "api/audio_codecs/opus/audio_encoder_opus.h"
 #include "modules/audio_coding/neteq/tools/audio_loop.h"
 #include "rtc_base/format_macros.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 #include "test/testsupport/perf_test.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/codecs/opus/opus_fec_test.cc b/modules/audio_coding/codecs/opus/opus_fec_test.cc
index 4fab8a7..cd70821 100644
--- a/modules/audio_coding/codecs/opus/opus_fec_test.cc
+++ b/modules/audio_coding/codecs/opus/opus_fec_test.cc
@@ -13,7 +13,7 @@
 #include "modules/audio_coding/codecs/opus/opus_interface.h"
 #include "rtc_base/format_macros.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using std::string;
 using std::tuple;
diff --git a/modules/audio_coding/codecs/opus/opus_unittest.cc b/modules/audio_coding/codecs/opus/opus_unittest.cc
index 034f8cd..e5f0464 100644
--- a/modules/audio_coding/codecs/opus/opus_unittest.cc
+++ b/modules/audio_coding/codecs/opus/opus_unittest.cc
@@ -17,7 +17,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h b/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h
index 9b478d8..0334104 100644
--- a/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h
+++ b/modules/audio_coding/codecs/pcm16b/audio_decoder_pcm16b.h
@@ -17,7 +17,7 @@
 
 #include "api/audio_codecs/audio_decoder.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h b/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h
index 6a20843..71c7572 100644
--- a/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h
+++ b/modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_CODECS_PCM16B_AUDIO_ENCODER_PCM16B_H_
 
 #include "modules/audio_coding/codecs/g711/audio_encoder_pcm.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/red/audio_encoder_copy_red.h b/modules/audio_coding/codecs/red/audio_encoder_copy_red.h
index 5a68876..f05de19 100644
--- a/modules/audio_coding/codecs/red/audio_encoder_copy_red.h
+++ b/modules/audio_coding/codecs/red/audio_encoder_copy_red.h
@@ -19,7 +19,7 @@
 #include "api/array_view.h"
 #include "api/audio_codecs/audio_encoder.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/codecs/tools/audio_codec_speed_test.cc b/modules/audio_coding/codecs/tools/audio_codec_speed_test.cc
index c539152..1e6b4f0 100644
--- a/modules/audio_coding/codecs/tools/audio_codec_speed_test.cc
+++ b/modules/audio_coding/codecs/tools/audio_codec_speed_test.cc
@@ -12,7 +12,7 @@
 
 #include "rtc_base/format_macros.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using ::std::get;
 
diff --git a/modules/audio_coding/neteq/accelerate.h b/modules/audio_coding/neteq/accelerate.h
index 1a3af42..124b633 100644
--- a/modules/audio_coding/neteq/accelerate.h
+++ b/modules/audio_coding/neteq/accelerate.h
@@ -15,7 +15,7 @@
 #include <stdint.h>
 
 #include "modules/audio_coding/neteq/time_stretch.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/audio_decoder_unittest.cc b/modules/audio_coding/neteq/audio_decoder_unittest.cc
index 1ad4835..42d96db 100644
--- a/modules/audio_coding/neteq/audio_decoder_unittest.cc
+++ b/modules/audio_coding/neteq/audio_decoder_unittest.cc
@@ -31,7 +31,7 @@
 #include "modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h"
 #include "modules/audio_coding/neteq/tools/resample_input_audio_file.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/audio_multi_vector.h b/modules/audio_coding/neteq/audio_multi_vector.h
index a2dd3c3..a21bf57 100644
--- a/modules/audio_coding/neteq/audio_multi_vector.h
+++ b/modules/audio_coding/neteq/audio_multi_vector.h
@@ -17,7 +17,7 @@
 
 #include "api/array_view.h"
 #include "modules/audio_coding/neteq/audio_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/audio_vector.h b/modules/audio_coding/neteq/audio_vector.h
index d0db332..c8279da 100644
--- a/modules/audio_coding/neteq/audio_vector.h
+++ b/modules/audio_coding/neteq/audio_vector.h
@@ -16,7 +16,7 @@
 #include <memory>
 
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/background_noise.h b/modules/audio_coding/neteq/background_noise.h
index 84d7eb9..d047942 100644
--- a/modules/audio_coding/neteq/background_noise.h
+++ b/modules/audio_coding/neteq/background_noise.h
@@ -14,7 +14,7 @@
 #include <string.h>  // size_t
 #include <memory>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/buffer_level_filter.h b/modules/audio_coding/neteq/buffer_level_filter.h
index c8d27dc..83388fb 100644
--- a/modules/audio_coding/neteq/buffer_level_filter.h
+++ b/modules/audio_coding/neteq/buffer_level_filter.h
@@ -13,7 +13,7 @@
 
 #include <stddef.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/comfort_noise.h b/modules/audio_coding/neteq/comfort_noise.h
index 3a9bfde..f748772 100644
--- a/modules/audio_coding/neteq/comfort_noise.h
+++ b/modules/audio_coding/neteq/comfort_noise.h
@@ -13,7 +13,7 @@
 
 #include <stddef.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/decision_logic.h b/modules/audio_coding/neteq/decision_logic.h
index 2a53359..75f8a88 100644
--- a/modules/audio_coding/neteq/decision_logic.h
+++ b/modules/audio_coding/neteq/decision_logic.h
@@ -13,7 +13,7 @@
 
 #include "modules/audio_coding/neteq/defines.h"
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/decoder_database.h b/modules/audio_coding/neteq/decoder_database.h
index f016337..1992272 100644
--- a/modules/audio_coding/neteq/decoder_database.h
+++ b/modules/audio_coding/neteq/decoder_database.h
@@ -19,7 +19,7 @@
 #include "api/audio_codecs/audio_format.h"
 #include "modules/audio_coding/codecs/cng/webrtc_cng.h"
 #include "modules/audio_coding/neteq/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/decoder_database_unittest.cc b/modules/audio_coding/neteq/decoder_database_unittest.cc
index 0d7e57a..9a28cac 100644
--- a/modules/audio_coding/neteq/decoder_database_unittest.cc
+++ b/modules/audio_coding/neteq/decoder_database_unittest.cc
@@ -15,7 +15,7 @@
 #include <string>
 
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
 #include "test/mock_audio_decoder.h"
diff --git a/modules/audio_coding/neteq/delay_manager.h b/modules/audio_coding/neteq/delay_manager.h
index ce05bcc..25eaba3 100644
--- a/modules/audio_coding/neteq/delay_manager.h
+++ b/modules/audio_coding/neteq/delay_manager.h
@@ -18,7 +18,7 @@
 
 #include "absl/types/optional.h"
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/delay_peak_detector.h b/modules/audio_coding/neteq/delay_peak_detector.h
index 5c74117..8cd198d 100644
--- a/modules/audio_coding/neteq/delay_peak_detector.h
+++ b/modules/audio_coding/neteq/delay_peak_detector.h
@@ -17,7 +17,7 @@
 #include <memory>
 
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/dsp_helper.h b/modules/audio_coding/neteq/dsp_helper.h
index 8379461..82fe14e 100644
--- a/modules/audio_coding/neteq/dsp_helper.h
+++ b/modules/audio_coding/neteq/dsp_helper.h
@@ -16,7 +16,7 @@
 
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
 #include "modules/audio_coding/neteq/audio_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/dtmf_buffer.h b/modules/audio_coding/neteq/dtmf_buffer.h
index 24b14ec..a994e3a 100644
--- a/modules/audio_coding/neteq/dtmf_buffer.h
+++ b/modules/audio_coding/neteq/dtmf_buffer.h
@@ -15,7 +15,7 @@
 #include <stdint.h>
 #include <list>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/dtmf_tone_generator.h b/modules/audio_coding/neteq/dtmf_tone_generator.h
index 22e166e..968bc7f 100644
--- a/modules/audio_coding/neteq/dtmf_tone_generator.h
+++ b/modules/audio_coding/neteq/dtmf_tone_generator.h
@@ -15,7 +15,7 @@
 #include <stdint.h>
 
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/expand.h b/modules/audio_coding/neteq/expand.h
index 30c34a2..7c041b8 100644
--- a/modules/audio_coding/neteq/expand.h
+++ b/modules/audio_coding/neteq/expand.h
@@ -15,7 +15,7 @@
 #include <memory>
 
 #include "modules/audio_coding/neteq/audio_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/expand_uma_logger.h b/modules/audio_coding/neteq/expand_uma_logger.h
index bd079c6..7cb11b1 100644
--- a/modules/audio_coding/neteq/expand_uma_logger.h
+++ b/modules/audio_coding/neteq/expand_uma_logger.h
@@ -16,7 +16,7 @@
 
 #include "absl/types/optional.h"
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/expand_unittest.cc b/modules/audio_coding/neteq/expand_unittest.cc
index 09914da..4c8c174 100644
--- a/modules/audio_coding/neteq/expand_unittest.cc
+++ b/modules/audio_coding/neteq/expand_unittest.cc
@@ -20,7 +20,7 @@
 #include "modules/audio_coding/neteq/tools/resample_input_audio_file.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/include/neteq.h b/modules/audio_coding/neteq/include/neteq.h
index dec49c1..6eecc65 100644
--- a/modules/audio_coding/neteq/include/neteq.h
+++ b/modules/audio_coding/neteq/include/neteq.h
@@ -23,7 +23,7 @@
 #include "api/audio_codecs/audio_format.h"
 #include "api/rtp_headers.h"
 #include "modules/audio_coding/neteq/defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/scoped_ref_ptr.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/merge.h b/modules/audio_coding/neteq/merge.h
index e7e0bf9..a062a95 100644
--- a/modules/audio_coding/neteq/merge.h
+++ b/modules/audio_coding/neteq/merge.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_MERGE_H_
 
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc b/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
index 0474e4a..21b15a9 100644
--- a/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
@@ -24,10 +24,10 @@
 #include "modules/audio_coding/neteq/tools/input_audio_file.h"
 #include "modules/audio_coding/neteq/tools/neteq_test.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "test/audio_decoder_proxy_factory.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/neteq_external_decoder_unittest.cc b/modules/audio_coding/neteq/neteq_external_decoder_unittest.cc
index 6daa42e..8214ed2 100644
--- a/modules/audio_coding/neteq/neteq_external_decoder_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_external_decoder_unittest.cc
@@ -20,7 +20,7 @@
 #include "modules/audio_coding/neteq/tools/rtp_generator.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gmock.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/neteq_impl.h b/modules/audio_coding/neteq/neteq_impl.h
index 4dcab2a..d239627 100644
--- a/modules/audio_coding/neteq/neteq_impl.h
+++ b/modules/audio_coding/neteq/neteq_impl.h
@@ -24,8 +24,8 @@
 #include "modules/audio_coding/neteq/random_vector.h"
 #include "modules/audio_coding/neteq/statistics_calculator.h"
 #include "modules/audio_coding/neteq/tick_timer.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/critical_section.h"
 #include "rtc_base/thread_annotations.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/neteq_network_stats_unittest.cc b/modules/audio_coding/neteq/neteq_network_stats_unittest.cc
index 72a75d1..79059b7 100644
--- a/modules/audio_coding/neteq/neteq_network_stats_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_network_stats_unittest.cc
@@ -17,7 +17,7 @@
 
 #include "modules/audio_coding/neteq/include/neteq.h"
 #include "modules/audio_coding/neteq/tools/rtp_generator.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "test/audio_decoder_proxy_factory.h"
 #include "test/gmock.h"
 
diff --git a/modules/audio_coding/neteq/neteq_stereo_unittest.cc b/modules/audio_coding/neteq/neteq_stereo_unittest.cc
index 85dfc08..289a38d 100644
--- a/modules/audio_coding/neteq/neteq_stereo_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_stereo_unittest.cc
@@ -23,7 +23,7 @@
 #include "modules/audio_coding/neteq/tools/rtp_generator.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/neteq_unittest.cc b/modules/audio_coding/neteq/neteq_unittest.cc
index 6e00413..b562ede 100644
--- a/modules/audio_coding/neteq/neteq_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_unittest.cc
@@ -31,15 +31,15 @@
 #include "modules/rtp_rtcp/include/rtcp_statistics.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 #include "rtc_base/ignore_wundef.h"
-#include "rtc_base/messagedigest.h"
+#include "rtc_base/message_digest.h"
 #include "rtc_base/numerics/safe_conversions.h"
 #include "rtc_base/protobuf_utils.h"
-#include "rtc_base/stringencode.h"
+#include "rtc_base/string_encode.h"
 #include "rtc_base/strings/string_builder.h"
 #include "rtc_base/system/arch.h"
 #include "test/field_trial.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 // This must come after test/gtest.h
 #include "rtc_base/flags.h"  // NOLINT(build/include)
diff --git a/modules/audio_coding/neteq/normal.h b/modules/audio_coding/neteq/normal.h
index 80451b5..2059c5a 100644
--- a/modules/audio_coding/neteq/normal.h
+++ b/modules/audio_coding/neteq/normal.h
@@ -16,7 +16,7 @@
 
 #include "modules/audio_coding/neteq/defines.h"
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "rtc_base/numerics/safe_conversions.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/packet_buffer.h b/modules/audio_coding/neteq/packet_buffer.h
index 0f5cd7f..c594d19 100644
--- a/modules/audio_coding/neteq/packet_buffer.h
+++ b/modules/audio_coding/neteq/packet_buffer.h
@@ -15,7 +15,7 @@
 #include "modules/audio_coding/neteq/decoder_database.h"
 #include "modules/audio_coding/neteq/packet.h"
 #include "modules/include/module_common_types_public.h"  // IsNewerTimestamp
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/post_decode_vad.h b/modules/audio_coding/neteq/post_decode_vad.h
index 27d69a6..ca7cabf 100644
--- a/modules/audio_coding/neteq/post_decode_vad.h
+++ b/modules/audio_coding/neteq/post_decode_vad.h
@@ -16,7 +16,7 @@
 
 #include "api/audio_codecs/audio_decoder.h"
 #include "common_audio/vad/include/webrtc_vad.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/preemptive_expand.h b/modules/audio_coding/neteq/preemptive_expand.h
index 0f7b3bc..e7d2bad 100644
--- a/modules/audio_coding/neteq/preemptive_expand.h
+++ b/modules/audio_coding/neteq/preemptive_expand.h
@@ -15,7 +15,7 @@
 #include <stdint.h>
 
 #include "modules/audio_coding/neteq/time_stretch.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/random_vector.h b/modules/audio_coding/neteq/random_vector.h
index e8c7ba8..1d37600 100644
--- a/modules/audio_coding/neteq/random_vector.h
+++ b/modules/audio_coding/neteq/random_vector.h
@@ -14,7 +14,7 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/red_payload_splitter.h b/modules/audio_coding/neteq/red_payload_splitter.h
index 55063e7..c2e0a44 100644
--- a/modules/audio_coding/neteq/red_payload_splitter.h
+++ b/modules/audio_coding/neteq/red_payload_splitter.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_RED_PAYLOAD_SPLITTER_H_
 
 #include "modules/audio_coding/neteq/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/statistics_calculator.h b/modules/audio_coding/neteq/statistics_calculator.h
index 49b74a0..1dee643 100644
--- a/modules/audio_coding/neteq/statistics_calculator.h
+++ b/modules/audio_coding/neteq/statistics_calculator.h
@@ -15,7 +15,7 @@
 #include <string>
 
 #include "modules/audio_coding/neteq/include/neteq.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/sync_buffer.h b/modules/audio_coding/neteq/sync_buffer.h
index d645e91..7f6c111 100644
--- a/modules/audio_coding/neteq/sync_buffer.h
+++ b/modules/audio_coding/neteq/sync_buffer.h
@@ -19,7 +19,7 @@
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
 #include "modules/audio_coding/neteq/audio_vector.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/test/neteq_ilbc_quality_test.cc b/modules/audio_coding/neteq/test/neteq_ilbc_quality_test.cc
index b88c856..09b3728 100644
--- a/modules/audio_coding/neteq/test/neteq_ilbc_quality_test.cc
+++ b/modules/audio_coding/neteq/test/neteq_ilbc_quality_test.cc
@@ -15,7 +15,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/flags.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using testing::InitGoogleTest;
 
diff --git a/modules/audio_coding/neteq/test/neteq_pcm16b_quality_test.cc b/modules/audio_coding/neteq/test/neteq_pcm16b_quality_test.cc
index cd38433..3557b11 100644
--- a/modules/audio_coding/neteq/test/neteq_pcm16b_quality_test.cc
+++ b/modules/audio_coding/neteq/test/neteq_pcm16b_quality_test.cc
@@ -16,7 +16,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/flags.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using testing::InitGoogleTest;
 
diff --git a/modules/audio_coding/neteq/test/neteq_pcmu_quality_test.cc b/modules/audio_coding/neteq/test/neteq_pcmu_quality_test.cc
index 421e5f2..ce399a4 100644
--- a/modules/audio_coding/neteq/test/neteq_pcmu_quality_test.cc
+++ b/modules/audio_coding/neteq/test/neteq_pcmu_quality_test.cc
@@ -15,7 +15,7 @@
 #include "rtc_base/checks.h"
 #include "rtc_base/flags.h"
 #include "rtc_base/numerics/safe_conversions.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using testing::InitGoogleTest;
 
diff --git a/modules/audio_coding/neteq/tick_timer.h b/modules/audio_coding/neteq/tick_timer.h
index 02f083e..724dd12 100644
--- a/modules/audio_coding/neteq/tick_timer.h
+++ b/modules/audio_coding/neteq/tick_timer.h
@@ -15,7 +15,7 @@
 #include <memory>
 
 #include "rtc_base/checks.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/time_stretch.h b/modules/audio_coding/neteq/time_stretch.h
index 13ad2c8..9f86649 100644
--- a/modules/audio_coding/neteq/time_stretch.h
+++ b/modules/audio_coding/neteq/time_stretch.h
@@ -15,7 +15,7 @@
 #include <string.h>  // memset, size_t
 
 #include "modules/audio_coding/neteq/audio_multi_vector.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/time_stretch_unittest.cc b/modules/audio_coding/neteq/time_stretch_unittest.cc
index c96c7d4..6fced38 100644
--- a/modules/audio_coding/neteq/time_stretch_unittest.cc
+++ b/modules/audio_coding/neteq/time_stretch_unittest.cc
@@ -21,7 +21,7 @@
 #include "modules/audio_coding/neteq/tools/input_audio_file.h"
 #include "rtc_base/checks.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/timestamp_scaler.h b/modules/audio_coding/neteq/timestamp_scaler.h
index 62f535c..93cb953 100644
--- a/modules/audio_coding/neteq/timestamp_scaler.h
+++ b/modules/audio_coding/neteq/timestamp_scaler.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_TIMESTAMP_SCALER_H_
 
 #include "modules/audio_coding/neteq/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/tools/audio_checksum.h b/modules/audio_coding/neteq/tools/audio_checksum.h
index ee8c582..e4306fa 100644
--- a/modules/audio_coding/neteq/tools/audio_checksum.h
+++ b/modules/audio_coding/neteq/tools/audio_checksum.h
@@ -16,9 +16,9 @@
 
 #include "modules/audio_coding/neteq/tools/audio_sink.h"
 #include "rtc_base/buffer.h"
-#include "rtc_base/constructormagic.h"
-#include "rtc_base/messagedigest.h"
-#include "rtc_base/stringencode.h"
+#include "rtc_base/constructor_magic.h"
+#include "rtc_base/message_digest.h"
+#include "rtc_base/string_encode.h"
 #include "rtc_base/system/arch.h"
 
 namespace webrtc {
diff --git a/modules/audio_coding/neteq/tools/audio_loop.h b/modules/audio_coding/neteq/tools/audio_loop.h
index c7788a6..cd764cc 100644
--- a/modules/audio_coding/neteq/tools/audio_loop.h
+++ b/modules/audio_coding/neteq/tools/audio_loop.h
@@ -15,7 +15,7 @@
 #include <string>
 
 #include "api/array_view.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/audio_sink.h b/modules/audio_coding/neteq/tools/audio_sink.h
index be2a315..68825eb 100644
--- a/modules/audio_coding/neteq/tools/audio_sink.h
+++ b/modules/audio_coding/neteq/tools/audio_sink.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_TOOLS_AUDIO_SINK_H_
 
 #include "api/audio/audio_frame.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h b/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h
index 117fabd..7adb15b 100644
--- a/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h
+++ b/modules/audio_coding/neteq/tools/constant_pcm_packet_source.h
@@ -15,7 +15,7 @@
 #include <string>
 
 #include "modules/audio_coding/neteq/tools/packet_source.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/input_audio_file.h b/modules/audio_coding/neteq/tools/input_audio_file.h
index b36dc24..4335a99 100644
--- a/modules/audio_coding/neteq/tools/input_audio_file.h
+++ b/modules/audio_coding/neteq/tools/input_audio_file.h
@@ -15,7 +15,7 @@
 
 #include <string>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/neteq_performance_test.cc b/modules/audio_coding/neteq/tools/neteq_performance_test.cc
index bd78ca4..61f52bb 100644
--- a/modules/audio_coding/neteq/tools/neteq_performance_test.cc
+++ b/modules/audio_coding/neteq/tools/neteq_performance_test.cc
@@ -18,7 +18,7 @@
 #include "modules/audio_coding/neteq/tools/rtp_generator.h"
 #include "rtc_base/checks.h"
 #include "system_wrappers/include/clock.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 using webrtc::NetEq;
 using webrtc::test::AudioLoop;
diff --git a/modules/audio_coding/neteq/tools/neteq_quality_test.cc b/modules/audio_coding/neteq/tools/neteq_quality_test.cc
index 5a38255..a0e7667 100644
--- a/modules/audio_coding/neteq/tools/neteq_quality_test.cc
+++ b/modules/audio_coding/neteq/tools/neteq_quality_test.cc
@@ -17,7 +17,7 @@
 #include "modules/audio_coding/neteq/tools/output_wav_file.h"
 #include "modules/audio_coding/neteq/tools/resample_input_audio_file.h"
 #include "rtc_base/checks.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/neteq_stats_getter.cc b/modules/audio_coding/neteq/tools/neteq_stats_getter.cc
index 1a52176..291fc24 100644
--- a/modules/audio_coding/neteq/tools/neteq_stats_getter.cc
+++ b/modules/audio_coding/neteq/tools/neteq_stats_getter.cc
@@ -16,7 +16,7 @@
 
 #include "rtc_base/checks.h"
 #include "rtc_base/strings/string_builder.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/neteq_test_factory.cc b/modules/audio_coding/neteq/tools/neteq_test_factory.cc
index 76ff56c..accaaed 100644
--- a/modules/audio_coding/neteq/tools/neteq_test_factory.cc
+++ b/modules/audio_coding/neteq/tools/neteq_test_factory.cc
@@ -38,9 +38,9 @@
 #include "modules/audio_coding/neteq/tools/rtp_file_source.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/flags.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_counted_object.h"
 #include "test/function_audio_decoder_factory.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/output_audio_file.h b/modules/audio_coding/neteq/tools/output_audio_file.h
index 7e65bc2..c923a1e 100644
--- a/modules/audio_coding/neteq/tools/output_audio_file.h
+++ b/modules/audio_coding/neteq/tools/output_audio_file.h
@@ -16,7 +16,7 @@
 #include <string>
 
 #include "modules/audio_coding/neteq/tools/audio_sink.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/output_wav_file.h b/modules/audio_coding/neteq/tools/output_wav_file.h
index 031a8cb..3ffcfc6 100644
--- a/modules/audio_coding/neteq/tools/output_wav_file.h
+++ b/modules/audio_coding/neteq/tools/output_wav_file.h
@@ -15,7 +15,7 @@
 
 #include "common_audio/wav_file.h"
 #include "modules/audio_coding/neteq/tools/audio_sink.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/packet.h b/modules/audio_coding/neteq/tools/packet.h
index 1fe1000..5748ba2 100644
--- a/modules/audio_coding/neteq/tools/packet.h
+++ b/modules/audio_coding/neteq/tools/packet.h
@@ -15,7 +15,7 @@
 #include <memory>
 
 #include "api/rtp_headers.h"  // NOLINT(build/include)
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/tools/packet_source.h b/modules/audio_coding/neteq/tools/packet_source.h
index cb86a98..975680f 100644
--- a/modules/audio_coding/neteq/tools/packet_source.h
+++ b/modules/audio_coding/neteq/tools/packet_source.h
@@ -15,7 +15,7 @@
 #include <memory>
 
 #include "modules/audio_coding/neteq/tools/packet.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/resample_input_audio_file.h b/modules/audio_coding/neteq/tools/resample_input_audio_file.h
index 4e2e9b0..d961f33 100644
--- a/modules/audio_coding/neteq/tools/resample_input_audio_file.h
+++ b/modules/audio_coding/neteq/tools/resample_input_audio_file.h
@@ -15,7 +15,7 @@
 
 #include "common_audio/resampler/include/resampler.h"
 #include "modules/audio_coding/neteq/tools/input_audio_file.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/neteq/tools/rtc_event_log_source.h b/modules/audio_coding/neteq/tools/rtc_event_log_source.h
index ea620da..5238efb 100644
--- a/modules/audio_coding/neteq/tools/rtc_event_log_source.h
+++ b/modules/audio_coding/neteq/tools/rtc_event_log_source.h
@@ -19,7 +19,7 @@
 #include "logging/rtc_event_log/rtc_event_log_parser.h"
 #include "modules/audio_coding/neteq/tools/packet_source.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/tools/rtp_file_source.h b/modules/audio_coding/neteq/tools/rtp_file_source.h
index 7cb9a89..77e435a 100644
--- a/modules/audio_coding/neteq/tools/rtp_file_source.h
+++ b/modules/audio_coding/neteq/tools/rtp_file_source.h
@@ -19,7 +19,7 @@
 #include "absl/types/optional.h"
 #include "modules/audio_coding/neteq/tools/packet_source.h"
 #include "modules/rtp_rtcp/include/rtp_rtcp_defines.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/neteq/tools/rtp_generator.h b/modules/audio_coding/neteq/tools/rtp_generator.h
index a1a360f..1454c57 100644
--- a/modules/audio_coding/neteq/tools/rtp_generator.h
+++ b/modules/audio_coding/neteq/tools/rtp_generator.h
@@ -12,7 +12,7 @@
 #define MODULES_AUDIO_CODING_NETEQ_TOOLS_RTP_GENERATOR_H_
 
 #include "api/rtp_headers.h"
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 
 namespace webrtc {
 namespace test {
diff --git a/modules/audio_coding/test/Channel.cc b/modules/audio_coding/test/Channel.cc
index 8cb5baa..4cb6c35 100644
--- a/modules/audio_coding/test/Channel.cc
+++ b/modules/audio_coding/test/Channel.cc
@@ -14,7 +14,7 @@
 #include <iostream>
 
 #include "rtc_base/format_macros.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/Channel.h b/modules/audio_coding/test/Channel.h
index eb197c6..e428a71 100644
--- a/modules/audio_coding/test/Channel.h
+++ b/modules/audio_coding/test/Channel.h
@@ -15,7 +15,7 @@
 
 #include "modules/audio_coding/include/audio_coding_module.h"
 #include "modules/include/module_common_types.h"
-#include "rtc_base/criticalsection.h"
+#include "rtc_base/critical_section.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/EncodeDecodeTest.cc b/modules/audio_coding/test/EncodeDecodeTest.cc
index 6ca7408..fbbc9d3 100644
--- a/modules/audio_coding/test/EncodeDecodeTest.cc
+++ b/modules/audio_coding/test/EncodeDecodeTest.cc
@@ -19,7 +19,7 @@
 #include "modules/audio_coding/include/audio_coding_module.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/PacketLossTest.cc b/modules/audio_coding/test/PacketLossTest.cc
index 6f87659..000041b 100644
--- a/modules/audio_coding/test/PacketLossTest.cc
+++ b/modules/audio_coding/test/PacketLossTest.cc
@@ -15,7 +15,7 @@
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/TestAllCodecs.cc b/modules/audio_coding/test/TestAllCodecs.cc
index aad80e8..75ba60a 100644
--- a/modules/audio_coding/test/TestAllCodecs.cc
+++ b/modules/audio_coding/test/TestAllCodecs.cc
@@ -20,10 +20,10 @@
 #include "modules/audio_coding/include/audio_coding_module_typedefs.h"
 #include "modules/include/module_common_types.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/stringencode.h"
+#include "rtc_base/string_encode.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 // Description of the test:
 // In this test we set up a one-way communication channel from a participant
diff --git a/modules/audio_coding/test/TestRedFec.cc b/modules/audio_coding/test/TestRedFec.cc
index b284205..0cb2415 100644
--- a/modules/audio_coding/test/TestRedFec.cc
+++ b/modules/audio_coding/test/TestRedFec.cc
@@ -31,7 +31,7 @@
 #include "modules/audio_coding/include/audio_coding_module_typedefs.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/TestStereo.cc b/modules/audio_coding/test/TestStereo.cc
index dd4be6a..70065fb 100644
--- a/modules/audio_coding/test/TestStereo.cc
+++ b/modules/audio_coding/test/TestStereo.cc
@@ -19,7 +19,7 @@
 #include "modules/include/module_common_types.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/TestVADDTX.cc b/modules/audio_coding/test/TestVADDTX.cc
index 8e16280..7c04b22 100644
--- a/modules/audio_coding/test/TestVADDTX.cc
+++ b/modules/audio_coding/test/TestVADDTX.cc
@@ -25,7 +25,7 @@
 #include "modules/audio_coding/test/PCMFile.h"
 #include "rtc_base/strings/string_builder.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/Tester.cc b/modules/audio_coding/test/Tester.cc
index 750656f..56e2c46 100644
--- a/modules/audio_coding/test/Tester.cc
+++ b/modules/audio_coding/test/Tester.cc
@@ -23,7 +23,7 @@
 #include "modules/audio_coding/test/iSACTest.h"
 #include "modules/audio_coding/test/opus_test.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 TEST(AudioCodingModuleTest, TestAllCodecs) {
   webrtc::TestAllCodecs().Perform();
diff --git a/modules/audio_coding/test/TwoWayCommunication.cc b/modules/audio_coding/test/TwoWayCommunication.cc
index 3af114e..585c1db 100644
--- a/modules/audio_coding/test/TwoWayCommunication.cc
+++ b/modules/audio_coding/test/TwoWayCommunication.cc
@@ -20,7 +20,7 @@
 #include "api/audio_codecs/builtin_audio_encoder_factory.h"
 #include "modules/audio_coding/test/PCMFile.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/iSACTest.cc b/modules/audio_coding/test/iSACTest.cc
index 0dceca7..7776a60 100644
--- a/modules/audio_coding/test/iSACTest.cc
+++ b/modules/audio_coding/test/iSACTest.cc
@@ -18,11 +18,11 @@
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "api/audio_codecs/isac/audio_encoder_isac_float.h"
 #include "rtc_base/strings/string_builder.h"
-#include "rtc_base/timeutils.h"
+#include "rtc_base/time_utils.h"
 #include "system_wrappers/include/sleep.h"
 #include "test/gmock.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/opus_test.cc b/modules/audio_coding/test/opus_test.cc
index 1e24e5d..b8d8e67 100644
--- a/modules/audio_coding/test/opus_test.cc
+++ b/modules/audio_coding/test/opus_test.cc
@@ -17,7 +17,7 @@
 #include "modules/audio_coding/include/audio_coding_module_typedefs.h"
 #include "modules/audio_coding/test/TestStereo.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {
 
diff --git a/modules/audio_coding/test/target_delay_unittest.cc b/modules/audio_coding/test/target_delay_unittest.cc
index 8d82b6e..c972e62 100644
--- a/modules/audio_coding/test/target_delay_unittest.cc
+++ b/modules/audio_coding/test/target_delay_unittest.cc
@@ -16,7 +16,7 @@
 #include "modules/audio_coding/include/audio_coding_module.h"
 #include "modules/include/module_common_types.h"
 #include "test/gtest.h"
-#include "test/testsupport/fileutils.h"
+#include "test/testsupport/file_utils.h"
 
 namespace webrtc {