Wire up codec_delay() to MP3StreamParser and FFmpegAudioDecoder.

media/filters/pipeline_integration_test.cc

Index: media/filters/pipeline_integration_test.cc
diff --git a/media/filters/pipeline_integration_test.cc b/media/filters/pipeline_integration_test.cc
index dfea318086ee6dfeda535419e9868989f5fa4add..e287b739d4f3fa0ac2c7017c824c5c8724bff027 100644
--- a/media/filters/pipeline_integration_test.cc
+++ b/media/filters/pipeline_integration_test.cc
@@ -792,7 +792,7 @@ TEST_P(PipelineIntegrationTest, MediaSource_ADTS_TimestampOffset) {
 
 TEST_P(PipelineIntegrationTest, MediaSource_MP3) {
   MockMediaSource source("sfx.mp3", kMP3, kAppendWholeFile, GetParam());
-  StartPipelineWithMediaSource(&source);
+  StartHashedPipelineWithMediaSource(&source);
   source.EndOfStream();
 
   EXPECT_EQ(1u, pipeline_->GetBufferedTimeRanges().size());
@@ -802,6 +802,10 @@ TEST_P(PipelineIntegrationTest, MediaSource_MP3) {
   Play();
 
   EXPECT_TRUE(WaitUntilOnEnded());
+
+  // Verify that codec delay was stripped, if it wasn't the hash would be:
+  // "5.20,1.88,8.52,4.60,8.62,2.00,"
+  EXPECT_EQ("6.58,3.21,8.82,3.64,7.12,1.60,", GetAudioHash());
 }
 
 TEST_P(PipelineIntegrationTest, MediaSource_MP3_TimestampOffset) {