Enable round-tripping and updating of WebSourceBufferImpl timestamp offset

media/filters/pipeline_integration_test.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/filters/pipeline_integration_test_base.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
@@ skipping 275 matching lines @@
 
     chunk_demuxer_->Abort(kSourceId);
 
     DCHECK_GE(new_position, 0);
     DCHECK_LT(new_position, file_data_->data_size());
     current_position_ = new_position;
 
     AppendData(seek_append_size);
   }
 
+  void AppendDataExpectingNoTimestampOffsetUpdate(const uint8* data, int size) {
+    // TODO(wolenetz): Test timestamp offset updating once "sequence" append
+    // mode processing is implemented. See http://crbug.com/249422.
+    base::TimeDelta dummy_new_timestamp_offset;
+    chunk_demuxer_->AppendData(kSourceId, data, size,
+                               &dummy_new_timestamp_offset);
+    EXPECT_EQ(kNoTimestamp(), dummy_new_timestamp_offset);
+  }
+
   void AppendData(int size) {
     DCHECK(chunk_demuxer_);
     DCHECK_LT(current_position_, file_data_->data_size());
     DCHECK_LE(current_position_ + size, file_data_->data_size());
-    chunk_demuxer_->AppendData(
-        kSourceId, file_data_->data() + current_position_, size);
+
+    AppendDataExpectingNoTimestampOffsetUpdate(
+        file_data_->data() + current_position_, size);
     current_position_ += size;
   }
 
   void AppendAtTime(const base::TimeDelta& timestampOffset,
                     const uint8* pData, int size) {
     CHECK(chunk_demuxer_->SetTimestampOffset(kSourceId, timestampOffset));
-    chunk_demuxer_->AppendData(kSourceId, pData, size);
+    AppendDataExpectingNoTimestampOffsetUpdate(pData, size);
     CHECK(chunk_demuxer_->SetTimestampOffset(kSourceId, base::TimeDelta()));
   }
 
   void EndOfStream() {
     chunk_demuxer_->MarkEndOfStream(PIPELINE_OK);
   }
 
   void Abort() {
     if (!chunk_demuxer_)
       return;
@@ skipping 793 matching lines @@
 // Verify that VP8 video with inband text track can be played back.
 TEST_F(PipelineIntegrationTest,
        BasicPlayback_VP8_WebVTT_WebM) {
   ASSERT_TRUE(Start(GetTestDataFilePath("bear-vp8-webvtt.webm"),
                     PIPELINE_OK));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
 }
 
 }  // namespace media