Use std::make_unique instead of absl::make_unique.

WebRTC is now using C++14 so there is no need to use the Abseil version
of std::make_unique.

This CL has been created with the following steps:

git grep -l absl::make_unique | sort | uniq > /tmp/make_unique.txt
git grep -l absl::WrapUnique | sort | uniq > /tmp/wrap_unique.txt
git grep -l "#include <memory>" | sort | uniq > /tmp/memory.txt

diff --new-line-format="" --unchanged-line-format="" \
  /tmp/make_unique.txt /tmp/wrap_unique.txt | sort | \
  uniq > /tmp/only_make_unique.txt
diff --new-line-format="" --unchanged-line-format="" \
  /tmp/only_make_unique.txt /tmp/memory.txt | \
  xargs grep -l "absl/memory" > /tmp/add-memory.txt

git grep -l "\babsl::make_unique\b" | \
  xargs sed -i "s/\babsl::make_unique\b/std::make_unique/g"

git checkout PRESUBMIT.py abseil-in-webrtc.md

cat /tmp/add-memory.txt | \
  xargs sed -i \
  's/#include "absl\/memory\/memory.h"/#include <memory>/g'
git cl format
# Manual fix order of the new inserted #include <memory>

cat /tmp/only_make_unique | xargs grep -l "#include <memory>" | \
  xargs sed -i '/#include "absl\/memory\/memory.h"/d'

git ls-files | grep BUILD.gn | \
  xargs sed -i '/\/\/third_party\/abseil-cpp\/absl\/memory/d'

python tools_webrtc/gn_check_autofix.py \
  -m tryserver.webrtc -b linux_rel

# Repead the gn_check_autofix step for other platforms

git ls-files | grep BUILD.gn | \
  xargs sed -i 's/absl\/memory:memory/absl\/memory/g'
git cl format

Bug: webrtc:10945
Change-Id: I3fe28ea80f4dd3ba3cf28effd151d5e1f19aff89
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/153221
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Alessio Bazzica <alessiob@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29209}
diff --git a/modules/audio_coding/neteq/delay_manager.cc b/modules/audio_coding/neteq/delay_manager.cc
index afa2a3f..3fda038 100644
--- a/modules/audio_coding/neteq/delay_manager.cc
+++ b/modules/audio_coding/neteq/delay_manager.cc
@@ -15,10 +15,10 @@
 #include <stdlib.h>
 
 #include <algorithm>
+#include <memory>
 #include <numeric>
 #include <string>
 
-#include "absl/memory/memory.h"
 #include "modules/audio_coding/neteq/delay_peak_detector.h"
 #include "modules/audio_coding/neteq/histogram.h"
 #include "modules/audio_coding/neteq/statistics_calculator.h"
@@ -149,9 +149,9 @@
   const HistogramMode mode = RELATIVE_ARRIVAL_DELAY;
   DelayHistogramConfig config = GetDelayHistogramConfig();
   const int quantile = config.quantile;
-  std::unique_ptr<Histogram> histogram = absl::make_unique<Histogram>(
+  std::unique_ptr<Histogram> histogram = std::make_unique<Histogram>(
       kDelayBuckets, config.forget_factor, config.start_forget_weight);
-  return absl::make_unique<DelayManager>(
+  return std::make_unique<DelayManager>(
       max_packets_in_buffer, base_minimum_delay_ms, quantile, mode,
       enable_rtx_handling, peak_detector, tick_timer, statistics,
       std::move(histogram));
diff --git a/modules/audio_coding/neteq/delay_manager_unittest.cc b/modules/audio_coding/neteq/delay_manager_unittest.cc
index 6979789..c691fd5 100644
--- a/modules/audio_coding/neteq/delay_manager_unittest.cc
+++ b/modules/audio_coding/neteq/delay_manager_unittest.cc
@@ -14,7 +14,8 @@
 
 #include <math.h>
 
-#include "absl/memory/memory.h"
+#include <memory>
+
 #include "modules/audio_coding/neteq/histogram.h"
 #include "modules/audio_coding/neteq/mock/mock_delay_peak_detector.h"
 #include "modules/audio_coding/neteq/mock/mock_histogram.h"
@@ -80,7 +81,7 @@
   if (use_mock_histogram_) {
     mock_histogram_ = new MockHistogram(kMaxIat, kForgetFactor);
     std::unique_ptr<Histogram> histogram(mock_histogram_);
-    dm_ = absl::make_unique<DelayManager>(
+    dm_ = std::make_unique<DelayManager>(
         kMaxNumberOfPackets, kMinDelayMs, kDefaultHistogramQuantile,
         histogram_mode_, enable_rtx_handling_, &detector_, &tick_timer_,
         &stats_, std::move(histogram));
diff --git a/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc b/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
index 21b15a9..49eb1cc 100644
--- a/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_decoder_plc_unittest.cc
@@ -11,10 +11,10 @@
 // Test to verify correct operation when using the decoder-internal PLC.
 
 #include <algorithm>
+#include <memory>
 #include <utility>
 #include <vector>
 
-#include "absl/memory/memory.h"
 #include "absl/types/optional.h"
 #include "modules/audio_coding/codecs/pcm16b/audio_encoder_pcm16b.h"
 #include "modules/audio_coding/neteq/tools/audio_checksum.h"
@@ -156,31 +156,31 @@
   // The input is mostly useless. It sends zero-samples to a PCM16b encoder,
   // but the actual encoded samples will never be used by the decoder in the
   // test. See below about the decoder.
-  auto generator = absl::make_unique<ZeroSampleGenerator>();
+  auto generator = std::make_unique<ZeroSampleGenerator>();
   constexpr int kSampleRateHz = 32000;
   constexpr int kPayloadType = 100;
   AudioEncoderPcm16B::Config encoder_config;
   encoder_config.sample_rate_hz = kSampleRateHz;
   encoder_config.payload_type = kPayloadType;
-  auto encoder = absl::make_unique<AudioEncoderPcm16B>(encoder_config);
+  auto encoder = std::make_unique<AudioEncoderPcm16B>(encoder_config);
   constexpr int kRunTimeMs = 10000;
-  auto input = absl::make_unique<EncodeNetEqInput>(
+  auto input = std::make_unique<EncodeNetEqInput>(
       std::move(generator), std::move(encoder), kRunTimeMs);
   // Wrap the input in a loss function.
   auto lossy_input =
-      absl::make_unique<LossyInput>(loss_cadence, std::move(input));
+      std::make_unique<LossyInput>(loss_cadence, std::move(input));
 
   // Settinng up decoders.
   NetEqTest::DecoderMap decoders;
   // Using a fake decoder which simply reads the output audio from a file.
-  auto input_file = absl::make_unique<InputAudioFile>(
+  auto input_file = std::make_unique<InputAudioFile>(
       webrtc::test::ResourcePath("audio_coding/testfile32kHz", "pcm"));
   AudioDecoderPlc dec(std::move(input_file), kSampleRateHz);
   // Masquerading as a PCM16b decoder.
   decoders.emplace(kPayloadType, SdpAudioFormat("l16", 32000, 1));
 
   // Output is simply a checksum calculator.
-  auto output = absl::make_unique<AudioChecksumWithOutput>(checksum);
+  auto output = std::make_unique<AudioChecksumWithOutput>(checksum);
 
   // No callback objects.
   NetEqTest::Callbacks callbacks;
diff --git a/modules/audio_coding/neteq/neteq_impl_unittest.cc b/modules/audio_coding/neteq/neteq_impl_unittest.cc
index ded54bf..39c4e52 100644
--- a/modules/audio_coding/neteq/neteq_impl_unittest.cc
+++ b/modules/audio_coding/neteq/neteq_impl_unittest.cc
@@ -14,7 +14,6 @@
 #include <utility>
 #include <vector>
 
-#include "absl/memory/memory.h"
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "modules/audio_coding/neteq/accelerate.h"
 #include "modules/audio_coding/neteq/expand.h"
@@ -109,7 +108,7 @@
           config_.max_packets_in_buffer, config_.min_delay_ms, 1020054733,
           DelayManager::HistogramMode::INTER_ARRIVAL_TIME,
           config_.enable_rtx_handling, delay_peak_detector_, tick_timer_,
-          deps.stats.get(), absl::make_unique<Histogram>(50, 32745)));
+          deps.stats.get(), std::make_unique<Histogram>(50, 32745)));
       mock_delay_manager_ = mock.get();
       deps.delay_manager = std::move(mock);
     }
@@ -1567,7 +1566,7 @@
         new rtc::RefCountedObject<test::FunctionAudioDecoderFactory>(
             [sampling_freq, speech_type]() {
               std::unique_ptr<AudioDecoder> decoder =
-                  absl::make_unique<Decoder120ms>(sampling_freq, speech_type);
+                  std::make_unique<Decoder120ms>(sampling_freq, speech_type);
               RTC_CHECK_EQ(2, decoder->Channels());
               return decoder;
             });
diff --git a/modules/audio_coding/neteq/packet_buffer_unittest.cc b/modules/audio_coding/neteq/packet_buffer_unittest.cc
index 688ce8d..0b638bf 100644
--- a/modules/audio_coding/neteq/packet_buffer_unittest.cc
+++ b/modules/audio_coding/neteq/packet_buffer_unittest.cc
@@ -12,7 +12,8 @@
 
 #include "modules/audio_coding/neteq/packet_buffer.h"
 
-#include "absl/memory/memory.h"
+#include <memory>
+
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "modules/audio_coding/neteq/mock/mock_decoder_database.h"
 #include "modules/audio_coding/neteq/mock/mock_statistics_calculator.h"
@@ -704,7 +705,7 @@
   Packet packet_1 = gen.NextPacket(kPayloadSizeBytes, nullptr);
 
   std::unique_ptr<MockEncodedAudioFrame> mock_audio_frame =
-      absl::make_unique<MockEncodedAudioFrame>();
+      std::make_unique<MockEncodedAudioFrame>();
   EXPECT_CALL(*mock_audio_frame, Duration())
       .WillRepeatedly(Return(kFrameSizeSamples));
   Packet packet_2 =
diff --git a/modules/audio_coding/neteq/tools/neteq_test_factory.cc b/modules/audio_coding/neteq/tools/neteq_test_factory.cc
index 8147142..3c3add4 100644
--- a/modules/audio_coding/neteq/tools/neteq_test_factory.cc
+++ b/modules/audio_coding/neteq/tools/neteq_test_factory.cc
@@ -22,7 +22,6 @@
 #include <string>
 #include <utility>
 
-#include "absl/memory/memory.h"
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "modules/audio_coding/neteq/include/neteq.h"
 #include "modules/audio_coding/neteq/tools/audio_sink.h"
@@ -194,19 +193,19 @@
   // If an output file is requested, open it.
   std::unique_ptr<AudioSink> output;
   if (!config.output_audio_filename.has_value()) {
-    output = absl::make_unique<VoidAudioSink>();
+    output = std::make_unique<VoidAudioSink>();
     std::cout << "No output audio file" << std::endl;
   } else if (config.output_audio_filename->size() >= 4 &&
              config.output_audio_filename->substr(
                  config.output_audio_filename->size() - 4) == ".wav") {
     // Open a wav file with the known sample rate.
-    output = absl::make_unique<OutputWavFile>(*config.output_audio_filename,
-                                              *sample_rate_hz);
+    output = std::make_unique<OutputWavFile>(*config.output_audio_filename,
+                                             *sample_rate_hz);
     std::cout << "Output WAV file: " << *config.output_audio_filename
               << std::endl;
   } else {
     // Open a pcm file.
-    output = absl::make_unique<OutputAudioFile>(*config.output_audio_filename);
+    output = std::make_unique<OutputAudioFile>(*config.output_audio_filename);
     std::cout << "Output PCM file: " << *config.output_audio_filename
               << std::endl;
   }
@@ -254,9 +253,8 @@
           std::unique_ptr<AudioDecoder> decoder =
               decoder_factory->MakeAudioDecoder(format, codec_pair_id);
           if (!decoder && format.name == "replacement") {
-            decoder = absl::make_unique<FakeDecodeFromFile>(
-                absl::make_unique<InputAudioFile>(
-                    config.replacement_audio_file),
+            decoder = std::make_unique<FakeDecodeFromFile>(
+                std::make_unique<InputAudioFile>(config.replacement_audio_file),
                 format.clockrate_hz, format.num_channels > 1);
           }
           return decoder;
@@ -274,11 +272,11 @@
   // Create a text log file if needed.
   std::unique_ptr<std::ofstream> text_log;
   if (config.textlog_filename.has_value()) {
-    text_log = absl::make_unique<std::ofstream>(*config.textlog_filename);
+    text_log = std::make_unique<std::ofstream>(*config.textlog_filename);
   }
 
   NetEqTest::Callbacks callbacks;
-  stats_plotter_ = absl::make_unique<NetEqStatsPlotter>(
+  stats_plotter_ = std::make_unique<NetEqStatsPlotter>(
       config.matlabplot, config.pythonplot, config.concealment_events,
       config.plot_scripts_basename.value_or(""));
 
@@ -291,9 +289,9 @@
   neteq_config.sample_rate_hz = *sample_rate_hz;
   neteq_config.max_packets_in_buffer = config.max_nr_packets_in_buffer;
   neteq_config.enable_fast_accelerate = config.enable_fast_accelerate;
-  return absl::make_unique<NetEqTest>(neteq_config, decoder_factory, codecs,
-                                      std::move(text_log), std::move(input),
-                                      std::move(output), callbacks);
+  return std::make_unique<NetEqTest>(neteq_config, decoder_factory, codecs,
+                                     std::move(text_log), std::move(input),
+                                     std::move(output), callbacks);
 }
 
 }  // namespace test
diff --git a/modules/audio_coding/neteq/tools/rtc_event_log_source.cc b/modules/audio_coding/neteq/tools/rtc_event_log_source.cc
index f864aa1..30f4f95 100644
--- a/modules/audio_coding/neteq/tools/rtc_event_log_source.cc
+++ b/modules/audio_coding/neteq/tools/rtc_event_log_source.cc
@@ -14,10 +14,10 @@
 
 #include <iostream>
 #include <limits>
+#include <memory>
 #include <set>
 #include <utility>
 
-#include "absl/memory/memory.h"
 #include "logging/rtc_event_log/rtc_event_processor.h"
 #include "modules/audio_coding/neteq/tools/packet.h"
 #include "rtc_base/checks.h"
@@ -96,7 +96,7 @@
        &packet_ssrcs](const webrtc::LoggedRtpPacketIncoming& incoming) {
         if (!filter_.test(incoming.rtp.header.payloadType) &&
             incoming.log_time_us() < first_log_end_time_us) {
-          rtp_packets_.emplace_back(absl::make_unique<Packet>(
+          rtp_packets_.emplace_back(std::make_unique<Packet>(
               incoming.rtp.header, incoming.rtp.total_length,
               incoming.rtp.total_length - incoming.rtp.header_length,
               static_cast<double>(incoming.log_time_ms())));
diff --git a/modules/audio_coding/neteq/tools/rtp_file_source.cc b/modules/audio_coding/neteq/tools/rtp_file_source.cc
index 410af27..f578065 100644
--- a/modules/audio_coding/neteq/tools/rtp_file_source.cc
+++ b/modules/audio_coding/neteq/tools/rtp_file_source.cc
@@ -18,7 +18,6 @@
 
 #include <memory>
 
-#include "absl/memory/memory.h"
 #include "modules/audio_coding/neteq/tools/packet.h"
 #include "rtc_base/checks.h"
 #include "test/rtp_file_reader.h"
@@ -66,7 +65,7 @@
     std::unique_ptr<uint8_t[]> packet_memory(new uint8_t[temp_packet.length]);
     memcpy(packet_memory.get(), temp_packet.data, temp_packet.length);
     RtpUtility::RtpHeaderParser parser(packet_memory.get(), temp_packet.length);
-    auto packet = absl::make_unique<Packet>(
+    auto packet = std::make_unique<Packet>(
         packet_memory.release(), temp_packet.length,
         temp_packet.original_length, temp_packet.time_ms, parser,
         &rtp_header_extension_map_);