Remove remaining calls to deprecated MessageLoop methods on Mac.

media/test/pipeline_integration_test.cc

Index: media/test/pipeline_integration_test.cc
diff --git a/media/test/pipeline_integration_test.cc b/media/test/pipeline_integration_test.cc
index e244dde2fbe2fd12471ea7632ce8eb62ca659bb6..ad9ffa9e8e8bef1c4ec8b6b4f5639fbb9f6fb6ce 100644
--- a/media/test/pipeline_integration_test.cc
+++ b/media/test/pipeline_integration_test.cc
@@ -10,12 +10,10 @@
 
 #include "base/bind.h"
 #include "base/command_line.h"
-#include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
-#include "base/single_thread_task_runner.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ -951,7 +949,7 @@ TEST_F(PipelineIntegrationTest, PlaybackWithAudioTrackDisabledThenEnabled) {
   // Disable audio.
   std::vector<MediaTrack::Id> empty;
   pipeline_->OnEnabledAudioTracksChanged(empty);
-  message_loop_.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 
   // Seek to flush the pipeline and ensure there's no prerolled audio data.
   ASSERT_TRUE(Seek(base::TimeDelta()));
@@ -968,7 +966,7 @@ TEST_F(PipelineIntegrationTest, PlaybackWithAudioTrackDisabledThenEnabled) {
   std::vector<MediaTrack::Id> audioTrackId;
   audioTrackId.push_back("2");
   pipeline_->OnEnabledAudioTracksChanged(audioTrackId);
-  message_loop_.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 
   // Restart playback from 500ms position.
   ASSERT_TRUE(Seek(k500ms));
@@ -985,7 +983,7 @@ TEST_F(PipelineIntegrationTest, PlaybackWithVideoTrackDisabledThenEnabled) {
   // Disable video.
   std::vector<MediaTrack::Id> empty;
   pipeline_->OnSelectedVideoTrackChanged(empty);
-  message_loop_.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 
   // Seek to flush the pipeline and ensure there's no prerolled video data.
   ASSERT_TRUE(Seek(base::TimeDelta()));
@@ -1006,7 +1004,7 @@ TEST_F(PipelineIntegrationTest, PlaybackWithVideoTrackDisabledThenEnabled) {
   std::vector<MediaTrack::Id> videoTrackId;
   videoTrackId.push_back("1");
   pipeline_->OnSelectedVideoTrackChanged(videoTrackId);
-  message_loop_.RunUntilIdle();
+  base::RunLoop().RunUntilIdle();
 
   // Seek to flush video pipeline and reset the video hash again to clear state
   // if some prerolled frames got hashed after enabling video.