Add SourceBuffer implementations of Audio/VideoTracks

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

Index: third_party/WebKit/Source/modules/mediasource/SourceBufferVideoTrack.h
diff --git a/third_party/WebKit/Source/core/loader/PrerendererClient.h b/third_party/WebKit/Source/modules/mediasource/SourceBufferVideoTrack.h
similarity index 71%
copy from third_party/WebKit/Source/core/loader/PrerendererClient.h
copy to third_party/WebKit/Source/modules/mediasource/SourceBufferVideoTrack.h
index 10bc6cfaa9bce8060ec821da8c08ad011836be32..50e4e480de6bff98f000029b5748edea29c79bb1 100644
--- a/third_party/WebKit/Source/core/loader/PrerendererClient.h
+++ b/third_party/WebKit/Source/modules/mediasource/SourceBufferVideoTrack.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ * Copyright (C) 2016 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
@@ -26,34 +26,36 @@
  * 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 PrerendererClient_h
-#define PrerendererClient_h
+#ifndef SourceBufferVideoTrack_h
+#define SourceBufferVideoTrack_h
 
-#include "core/CoreExport.h"
-#include "core/page/Page.h"
 #include "platform/Supplementable.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
-class Page;
-class Prerender;
+class VideoTrack;
+class SourceBuffer;
 
-class CORE_EXPORT PrerendererClient : public WillBeHeapSupplement<Page> {
+class SourceBufferVideoTrack final : public GarbageCollectedFinalized<SourceBufferVideoTrack>, public HeapSupplement<VideoTrack> {
+    USING_GARBAGE_COLLECTED_MIXIN(SourceBufferVideoTrack);
 public:
-    virtual void willAddPrerender(Prerender*) = 0;
+    static SourceBufferVideoTrack& from(VideoTrack&);
+    virtual ~SourceBufferVideoTrack();
+
+    static SourceBuffer* sourceBuffer(VideoTrack&);
 
+    DECLARE_VIRTUAL_TRACE();
+
+private:
     static const char* supplementName();
-    static PrerendererClient* from(Page*);
+    explicit SourceBufferVideoTrack(SourceBuffer*);
 
-protected:
-    PrerendererClient() { }
+    WeakMember<SourceBuffer> m_sourceBuffer;
 };
 
-CORE_EXPORT void providePrerendererClientTo(Page&, PrerendererClient*);
-
 } // namespace blink
 
-#endif // PrerendererClient_h
+#endif