(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}

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 {
 

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 {
 

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 {
 

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 {
 

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

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 {
 

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 {
 

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 {
 

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();

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 {
 

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 {
 

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 {
 

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 {