Add SourceBuffer implementations of Audio/VideoTracks

third_party/WebKit/Source/modules/mediasource/SourceBuffer.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef SourceBuffer_h
 #define SourceBuffer_h
 
 #include "core/dom/ActiveDOMObject.h"
 #include "core/fileapi/FileReaderLoaderClient.h"
+#include "core/html/track/AudioTrackList.h"
+#include "core/html/track/VideoTrackList.h"
 #include "modules/EventTargetModules.h"
 #include "modules/mediasource/TrackDefaultList.h"
 #include "platform/AsyncMethodRunner.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/WebSourceBufferClient.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
@@ skipping 22 matching lines @@
 
     ~SourceBuffer() override;
 
     // SourceBuffer.idl methods
     const AtomicString& mode() const { return m_mode; }
     void setMode(const AtomicString&, ExceptionState&);
     bool updating() const { return m_updating; }
     TimeRanges* buffered(ExceptionState&) const;
     double timestampOffset() const;
     void setTimestampOffset(double, ExceptionState&);
+    AudioTrackList& audioTracks();
+    VideoTrackList& videoTracks();
     void appendBuffer(PassRefPtr<DOMArrayBuffer> data, ExceptionState&);
     void appendBuffer(PassRefPtr<DOMArrayBufferView> data, ExceptionState&);
     void appendStream(Stream*, ExceptionState&);
     void appendStream(Stream*, unsigned long long maxSize, ExceptionState&);
     void abort(ExceptionState&);
     void remove(double start, double end, ExceptionState&);
     double appendWindowStart() const;
     void setAppendWindowStart(double, ExceptionState&);
     double appendWindowEnd() const;
     void setAppendWindowEnd(double, ExceptionState&);
@@ skipping 50 matching lines @@
     Member<TrackDefaultList> m_trackDefaults;
     RawPtrWillBeMember<GenericEventQueue> m_asyncEventQueue;
 
     AtomicString m_mode;
     bool m_updating;
     double m_timestampOffset;
     double m_appendWindowStart;
     double m_appendWindowEnd;
     bool m_firstInitializationSegmentReceived;
 
+    Member<AudioTrackList> m_audioTracks;

[philipj_slow, 2016/02/23 04:35:07]

I think this will work with Oilpan disabled, but before landing can you make
sure it builds and all tests pass without Oilpan?

+    Member<VideoTrackList> m_videoTracks;
+
     Vector<unsigned char> m_pendingAppendData;
     size_t m_pendingAppendDataOffset;
     Member<AsyncMethodRunner<SourceBuffer>> m_appendBufferAsyncPartRunner;
 
     double m_pendingRemoveStart;
     double m_pendingRemoveEnd;
     Member<AsyncMethodRunner<SourceBuffer>> m_removeAsyncPartRunner;
 
     bool m_streamMaxSizeValid;
     unsigned long long m_streamMaxSize;
     Member<AsyncMethodRunner<SourceBuffer>> m_appendStreamAsyncPartRunner;
     Member<Stream> m_stream;
     OwnPtr<FileReaderLoader> m_loader;
 };
 
 } // namespace blink
 
 #endif // SourceBuffer_h