(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/sdk/android/native_api/audio_device_module/audio_device_android.cc b/sdk/android/native_api/audio_device_module/audio_device_android.cc
index 89ffeb6..fb7ce91 100644
--- a/sdk/android/native_api/audio_device_module/audio_device_android.cc
+++ b/sdk/android/native_api/audio_device_module/audio_device_android.cc
@@ -15,8 +15,8 @@
 
 #include "absl/memory/memory.h"
 #include "rtc_base/logging.h"
-#include "rtc_base/refcount.h"
-#include "rtc_base/refcountedobject.h"
+#include "rtc_base/ref_count.h"
+#include "rtc_base/ref_counted_object.h"
 
 #if defined(AUDIO_DEVICE_INCLUDE_ANDROID_AAUDIO)
 #include "sdk/android/src/jni/audio_device/aaudio_player.h"
diff --git a/sdk/android/native_api/base/network_monitor.cc b/sdk/android/native_api/base/network_monitor.cc
index 5d33ab7..822fab9 100644
--- a/sdk/android/native_api/base/network_monitor.cc
+++ b/sdk/android/native_api/base/network_monitor.cc
@@ -8,12 +8,12 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "sdk/android/native_api/base/networkmonitor.h"
+#include "sdk/android/native_api/base/network_monitor.h"
 
 #include <memory>
 
 #include "absl/memory/memory.h"
-#include "sdk/android/src/jni/androidnetworkmonitor.h"
+#include "sdk/android/src/jni/android_network_monitor.h"
 
 namespace webrtc {
 
diff --git a/sdk/android/native_api/base/network_monitor.h b/sdk/android/native_api/base/network_monitor.h
index 537a247..135ebb1 100644
--- a/sdk/android/native_api/base/network_monitor.h
+++ b/sdk/android/native_api/base/network_monitor.h
@@ -8,14 +8,14 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef SDK_ANDROID_NATIVE_API_BASE_NETWORKMONITOR_H_
-#define SDK_ANDROID_NATIVE_API_BASE_NETWORKMONITOR_H_
+#ifndef SDK_ANDROID_NATIVE_API_BASE_NETWORK_MONITOR_H_
+#define SDK_ANDROID_NATIVE_API_BASE_NETWORK_MONITOR_H_
 
 #include <jni.h>
 
 #include <memory>
 
-#include "rtc_base/networkmonitor.h"
+#include "rtc_base/network_monitor.h"
 
 namespace webrtc {
 
@@ -33,4 +33,4 @@
 
 }  // namespace webrtc
 
-#endif  // SDK_ANDROID_NATIVE_API_BASE_NETWORKMONITOR_H_
+#endif  // SDK_ANDROID_NATIVE_API_BASE_NETWORK_MONITOR_H_
diff --git a/sdk/android/native_api/codecs/wrapper.cc b/sdk/android/native_api/codecs/wrapper.cc
index 3c5fb3d..6b78e7e 100644
--- a/sdk/android/native_api/codecs/wrapper.cc
+++ b/sdk/android/native_api/codecs/wrapper.cc
@@ -12,9 +12,9 @@
 
 #include "absl/memory/memory.h"
 #include "sdk/android/native_api/jni/scoped_java_ref.h"
-#include "sdk/android/src/jni/videocodecinfo.h"
-#include "sdk/android/src/jni/videodecoderfactorywrapper.h"
-#include "sdk/android/src/jni/videoencoderfactorywrapper.h"
+#include "sdk/android/src/jni/video_codec_info.h"
+#include "sdk/android/src/jni/video_decoder_factory_wrapper.h"
+#include "sdk/android/src/jni/video_encoder_factory_wrapper.h"
 
 namespace webrtc {
 
diff --git a/sdk/android/native_api/jni/scoped_java_ref.h b/sdk/android/native_api/jni/scoped_java_ref.h
index b26ef2c..e37a992 100644
--- a/sdk/android/native_api/jni/scoped_java_ref.h
+++ b/sdk/android/native_api/jni/scoped_java_ref.h
@@ -17,7 +17,7 @@
 #include <jni.h>
 #include <utility>
 
-#include "rtc_base/constructormagic.h"
+#include "rtc_base/constructor_magic.h"
 #include "sdk/android/native_api/jni/jvm.h"
 
 namespace webrtc {
diff --git a/sdk/android/native_api/peerconnection/peer_connection_factory.cc b/sdk/android/native_api/peerconnection/peer_connection_factory.cc
index 892905b..e683975 100644
--- a/sdk/android/native_api/peerconnection/peer_connection_factory.cc
+++ b/sdk/android/native_api/peerconnection/peer_connection_factory.cc
@@ -7,14 +7,14 @@
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
-#include "sdk/android/native_api/peerconnection/peerconnectionfactory.h"
+#include "sdk/android/native_api/peerconnection/peer_connection_factory.h"
 
 #include <jni.h>
 
 #include <memory>
 #include <utility>
 
-#include "sdk/android/src/jni/pc/peerconnectionfactory.h"
+#include "sdk/android/src/jni/pc/peer_connection_factory.h"
 
 namespace webrtc {
 
diff --git a/sdk/android/native_api/peerconnection/peer_connection_factory.h b/sdk/android/native_api/peerconnection/peer_connection_factory.h
index 652be7a..889d609 100644
--- a/sdk/android/native_api/peerconnection/peer_connection_factory.h
+++ b/sdk/android/native_api/peerconnection/peer_connection_factory.h
@@ -8,14 +8,14 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef SDK_ANDROID_NATIVE_API_PEERCONNECTION_PEERCONNECTIONFACTORY_H_
-#define SDK_ANDROID_NATIVE_API_PEERCONNECTION_PEERCONNECTIONFACTORY_H_
+#ifndef SDK_ANDROID_NATIVE_API_PEERCONNECTION_PEER_CONNECTION_FACTORY_H_
+#define SDK_ANDROID_NATIVE_API_PEERCONNECTION_PEER_CONNECTION_FACTORY_H_
 
 #include <jni.h>
 
 #include <memory>
 
-#include "api/peerconnectioninterface.h"
+#include "api/peer_connection_interface.h"
 #include "rtc_base/thread.h"
 
 namespace webrtc {
@@ -31,4 +31,4 @@
 
 }  // namespace webrtc
 
-#endif  // SDK_ANDROID_NATIVE_API_PEERCONNECTION_PEERCONNECTIONFACTORY_H_
+#endif  // SDK_ANDROID_NATIVE_API_PEERCONNECTION_PEER_CONNECTION_FACTORY_H_
diff --git a/sdk/android/native_api/video/video_source.cc b/sdk/android/native_api/video/video_source.cc
index aae1de7..a813f40 100644
--- a/sdk/android/native_api/video/video_source.cc
+++ b/sdk/android/native_api/video/video_source.cc
@@ -8,10 +8,10 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#include "sdk/android/native_api/video/videosource.h"
+#include "sdk/android/native_api/video/video_source.h"
 
-#include "sdk/android/src/jni/androidvideotracksource.h"
-#include "sdk/android/src/jni/nativecapturerobserver.h"
+#include "sdk/android/src/jni/android_video_track_source.h"
+#include "sdk/android/src/jni/native_capturer_observer.h"
 
 namespace webrtc {
 
diff --git a/sdk/android/native_api/video/video_source.h b/sdk/android/native_api/video/video_source.h
index 75ebdbc..d46f3e8 100644
--- a/sdk/android/native_api/video/video_source.h
+++ b/sdk/android/native_api/video/video_source.h
@@ -8,12 +8,12 @@
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
-#ifndef SDK_ANDROID_NATIVE_API_VIDEO_VIDEOSOURCE_H_
-#define SDK_ANDROID_NATIVE_API_VIDEO_VIDEOSOURCE_H_
+#ifndef SDK_ANDROID_NATIVE_API_VIDEO_VIDEO_SOURCE_H_
+#define SDK_ANDROID_NATIVE_API_VIDEO_VIDEO_SOURCE_H_
 
 #include <jni.h>
 
-#include "api/mediastreaminterface.h"
+#include "api/media_stream_interface.h"
 #include "rtc_base/thread.h"
 #include "sdk/android/native_api/jni/scoped_java_ref.h"
 
@@ -38,4 +38,4 @@
 
 }  // namespace webrtc
 
-#endif  // SDK_ANDROID_NATIVE_API_VIDEO_VIDEOSOURCE_H_
+#endif  // SDK_ANDROID_NATIVE_API_VIDEO_VIDEO_SOURCE_H_
diff --git a/sdk/android/native_api/video/wrapper.cc b/sdk/android/native_api/video/wrapper.cc
index fe2d45a..7b87ad6 100644
--- a/sdk/android/native_api/video/wrapper.cc
+++ b/sdk/android/native_api/video/wrapper.cc
@@ -12,8 +12,8 @@
 
 #include "absl/memory/memory.h"
 #include "sdk/android/native_api/jni/scoped_java_ref.h"
-#include "sdk/android/src/jni/videoframe.h"
-#include "sdk/android/src/jni/videosink.h"
+#include "sdk/android/src/jni/video_frame.h"
+#include "sdk/android/src/jni/video_sink.h"
 
 namespace webrtc {
 
diff --git a/sdk/android/native_api/video/wrapper.h b/sdk/android/native_api/video/wrapper.h
index fc670ea..e32cf34 100644
--- a/sdk/android/native_api/video/wrapper.h
+++ b/sdk/android/native_api/video/wrapper.h
@@ -14,7 +14,7 @@
 #include <jni.h>
 #include <memory>
 
-#include "api/mediastreaminterface.h"
+#include "api/media_stream_interface.h"
 #include "api/video/video_frame.h"
 #include "sdk/android/native_api/jni/scoped_java_ref.h"