Implement HTMLMediaElement::srcObject.

Source/core/html/MediaProvider.h

Index: Source/core/html/MediaProvider.h
diff --git a/Source/platform/mediastream/RTCVoidRequest.h b/Source/core/html/MediaProvider.h
similarity index 62%
copy from Source/platform/mediastream/RTCVoidRequest.h
copy to Source/core/html/MediaProvider.h
index ac44ae13c751094b564ea03938ed6d7e92422d59..9fb216ab778df1101ae572a86a70eaf1adda18ec 100644
--- a/Source/platform/mediastream/RTCVoidRequest.h
+++ b/Source/core/html/MediaProvider.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -28,39 +28,40 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef RTCVoidRequest_h
-#define RTCVoidRequest_h
+#ifndef MediaProvider_h
+#define MediaProvider_h
 
 #include "platform/heap/Handle.h"
-#include "wtf/PassOwnPtr.h"
-#include "wtf/text/WTFString.h"
+#include "wtf/Assertions.h"
+#include "wtf/RefCounted.h"
 
 namespace blink {
 
-class RTCVoidRequest : public GarbageCollectedFinalized<RTCVoidRequest> {
-public:
-    class ExtraData {
-    public:
-        virtual ~ExtraData() { }
-    };
+    class ExecutionContext;
+    class MediaStream;
+    class MediaSource;
+    class Blob;
 
-    virtual ~RTCVoidRequest() { }
+    class MediaProvider FINAL : public RefCountedWillBeGarbageCollected<MediaProvider> {
+    public:
+        static PassRefPtrWillBeRawPtr<MediaProvider> createFromMediaStream(PassRefPtrWillBeRawPtr<MediaStream>);
+        static PassRefPtrWillBeRawPtr<MediaProvider> createFromMediaSource(PassRefPtrWillBeRawPtr<MediaSource>);
 
-    virtual void requestSucceeded() = 0;
-    virtual void requestFailed(const String& error) = 0;
+        MediaStream* mediaStream() const;
+        MediaSource* mediaSource() const;
 
-    ExtraData* extraData() const { return m_extraData.get(); }
-    void setExtraData(PassOwnPtr<ExtraData> extraData) { m_extraData = extraData; }
+        String createObjectUrl();
 
-    virtual void trace(Visitor*) { }
+        void trace(Visitor*);
 
-protected:
-    RTCVoidRequest() { }
+    private:
+        MediaProvider(PassRefPtrWillBeRawPtr<MediaSource>);
+        MediaProvider(PassRefPtrWillBeRawPtr<MediaStream>);
 
-private:
-    OwnPtr<ExtraData> m_extraData;
-};
+        PersistentWillBeMember<MediaStream> m_mediastream;
+        PersistentWillBeMember<MediaSource> m_mediasource;
+    };
 
 } // namespace blink
 
-#endif // RTCVoidRequest_h
+#endif