Convert MediaLog from being ref counted to owned by WebMediaPlayer.

media/test/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 <stddef.h>
 #include <stdint.h>
 
 #include <memory>
 #include <utility>
 
@@ skipping 438 matching lines @@
   MockMediaSource(const std::string& filename,
                   const std::string& mimetype,
                   size_t initial_append_size)
       : current_position_(0),
         initial_append_size_(initial_append_size),
         mimetype_(mimetype),
         chunk_demuxer_(new ChunkDemuxer(
             base::Bind(&MockMediaSource::DemuxerOpened, base::Unretained(this)),
             base::Bind(&MockMediaSource::OnEncryptedMediaInitData,
                        base::Unretained(this)),
-            scoped_refptr<MediaLog>(new MediaLog()))),
+            &media_log_)),
         owned_chunk_demuxer_(chunk_demuxer_) {
     file_data_ = ReadTestDataFile(filename);
 
     if (initial_append_size_ == kAppendWholeFile)
       initial_append_size_ = file_data_->data_size();
 
     DCHECK_GT(initial_append_size_, 0u);
     DCHECK_LE(initial_append_size_, file_data_->data_size());
   }
 
@@ skipping 156 matching lines @@
     for (const auto& track : tracks->tracks()) {
       EXPECT_EQ(track_ids.end(), track_ids.find(track->id()));
       track_ids.insert(track->id());
     }
     InitSegmentReceivedMock(tracks);
   }
 
   MOCK_METHOD1(InitSegmentReceivedMock, void(std::unique_ptr<MediaTracks>&));
 
  private:
+  MediaLog media_log_;
   scoped_refptr<DecoderBuffer> file_data_;
   size_t current_position_;
   size_t initial_append_size_;
   std::string mimetype_;
   ChunkDemuxer* chunk_demuxer_;
   std::unique_ptr<Demuxer> owned_chunk_demuxer_;
   PipelineStatusCB demuxer_failure_cb_;
   Demuxer::EncryptedMediaInitDataCB encrypted_media_init_data_cb_;
   base::TimeDelta last_timestamp_offset_;
 };
@@ skipping 2025 matching lines @@
 
 TEST_F(PipelineIntegrationTest, BasicPlaybackPositiveStartTime) {
   ASSERT_EQ(PIPELINE_OK, Start("nonzero-start-time.webm"));
   Play();
   ASSERT_TRUE(WaitUntilOnEnded());
   ASSERT_EQ(base::TimeDelta::FromMicroseconds(396000),
             demuxer_->GetStartTime());
 }
 
 }  // namespace media