Revert of Fix seeking when the start time is non-zero.

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 05ffc8c391a3918514b9b5a895b36226a2b8f623..45cc73ba36fa7b1a46c5f19aed717b78da5be1fe 100644
--- a/media/base/pipeline_unittest.cc
+++ b/media/base/pipeline_unittest.cc
@@ -107,6 +107,9 @@
     EXPECT_CALL(*demuxer_, GetStream(_))
         .WillRepeatedly(Return(null_pointer));
 
+    EXPECT_CALL(*demuxer_, GetStartTime())
+        .WillRepeatedly(Return(base::TimeDelta()));
+
     EXPECT_CALL(*demuxer_, GetTimelineOffset())
         .WillRepeatedly(Return(base::Time()));
 
@@ -171,7 +174,7 @@
     EXPECT_CALL(*video_renderer_, SetPlaybackRate(0.0f));
 
     // Startup sequence.
-    EXPECT_CALL(*video_renderer_, Preroll(base::TimeDelta(), _))
+    EXPECT_CALL(*video_renderer_, Preroll(demuxer_->GetStartTime(), _))
         .WillOnce(RunCallback<1>(PIPELINE_OK));
     EXPECT_CALL(*video_renderer_, Play(_))
         .WillOnce(RunClosure<0>());
@@ -736,6 +739,43 @@
   message_loop_.RunUntilIdle();
 }
 
+TEST_F(PipelineTest, StartTimeIsZero) {
+  CreateVideoStream();
+  MockDemuxerStreamVector streams;
+  streams.push_back(video_stream());
+
+  const base::TimeDelta kDuration = base::TimeDelta::FromSeconds(100);
+  InitializeDemuxer(&streams, kDuration);
+  InitializeVideoRenderer(video_stream());
+
+  InitializePipeline(PIPELINE_OK);
+  EXPECT_FALSE(metadata_.has_audio);
+  EXPECT_TRUE(metadata_.has_video);
+
+  EXPECT_EQ(base::TimeDelta(), pipeline_->GetMediaTime());
+}
+
+TEST_F(PipelineTest, StartTimeIsNonZero) {
+  const base::TimeDelta kStartTime = base::TimeDelta::FromSeconds(4);
+  const base::TimeDelta kDuration = base::TimeDelta::FromSeconds(100);
+
+  EXPECT_CALL(*demuxer_, GetStartTime())
+      .WillRepeatedly(Return(kStartTime));
+
+  CreateVideoStream();
+  MockDemuxerStreamVector streams;
+  streams.push_back(video_stream());
+
+  InitializeDemuxer(&streams, kDuration);
+  InitializeVideoRenderer(video_stream());
+
+  InitializePipeline(PIPELINE_OK);
+  EXPECT_FALSE(metadata_.has_audio);
+  EXPECT_TRUE(metadata_.has_video);
+
+  EXPECT_EQ(kStartTime, pipeline_->GetMediaTime());
+}
+
 static void RunTimeCB(const AudioRenderer::TimeCB& time_cb,
                        int time_in_ms,
                        int max_time_in_ms) {