Fix MSE playback regression by not changing pipeline duration at EOS

media/base/pipeline_unittest.cc

Index: media/base/pipeline_unittest.cc
diff --git a/media/base/pipeline_unittest.cc b/media/base/pipeline_unittest.cc
index 147e744dd0a6319ac9942080da775430f409c499..093b51e02d2c6f877bc6ca1cbeffe63fa3a9e052 100644
--- a/media/base/pipeline_unittest.cc
+++ b/media/base/pipeline_unittest.cc
@@ -630,9 +630,6 @@ TEST_F(PipelineTest, EndedCallback) {
   message_loop_.RunUntilIdle();
 
   EXPECT_CALL(callbacks_, OnEnded());
-  // Since the |ended_cb_| is manually invoked above, the duration does not
-  // match the expected duration and is updated upon ended.
-  EXPECT_CALL(callbacks_, OnDurationChange());
   text_stream()->SendEosNotification();
   message_loop_.RunUntilIdle();
 }