Add minimal implementation of unprefixed MediaSource API that has feature parity with prefixed API

Source/modules/mediasource/MediaSource.h

 /*
- * Copyright (C) 2012 Google Inc. All rights reserved.
+ * 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
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
  * contributors may be used to endorse or promote products derived from
  * this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * 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 WebKitMediaSource_h
-#define WebKitMediaSource_h
+#ifndef MediaSource_h
+#define MediaSource_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "modules/mediasource/MediaSourceBase.h"
-#include "modules/mediasource/WebKitSourceBuffer.h"
-#include "modules/mediasource/WebKitSourceBufferList.h"
+#include "modules/mediasource/SourceBuffer.h"
+#include "modules/mediasource/SourceBufferList.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
-class WebKitMediaSource : public MediaSourceBase, public ScriptWrappable {
+class MediaSource : public MediaSourceBase, public ScriptWrappable {
 public:
-    static PassRefPtr<WebKitMediaSource> create(ScriptExecutionContext*);
-    virtual ~WebKitMediaSource() { }
+    static PassRefPtr<MediaSource> create(ScriptExecutionContext*);
+    virtual ~MediaSource();
 
-    // WebKitMediaSource.idl methods
-    WebKitSourceBufferList* sourceBuffers();
-    WebKitSourceBufferList* activeSourceBuffers();
-    WebKitSourceBuffer* addSourceBuffer(const String& type, ExceptionCode&);
-    void removeSourceBuffer(WebKitSourceBuffer*, ExceptionCode&);
+    // MediaSource.idl methods
+    SourceBufferList* sourceBuffers() { return m_sourceBuffers.get(); }
+    SourceBufferList* activeSourceBuffers() { return m_activeSourceBuffers.get(); }
+    SourceBuffer* addSourceBuffer(const String& type, ExceptionCode&);
+    void removeSourceBuffer(SourceBuffer*, ExceptionCode&);
     static bool isTypeSupported(const String& type);
 
     // EventTarget interface
     virtual const AtomicString& interfaceName() const OVERRIDE;
 
     using RefCounted<MediaSourceBase>::ref;
     using RefCounted<MediaSourceBase>::deref;
 
     virtual void reportMemoryUsage(MemoryObjectInfo*) const OVERRIDE;
 
 private:
-    explicit WebKitMediaSource(ScriptExecutionContext*);
+    explicit MediaSource(ScriptExecutionContext*);
 
     // MediaSourceBase interface
     virtual void setReadyState(const AtomicString&) OVERRIDE;
 
-    RefPtr<WebKitSourceBufferList> m_sourceBuffers;
-    RefPtr<WebKitSourceBufferList> m_activeSourceBuffers;
+    RefPtr<SourceBufferList> m_sourceBuffers;
+    RefPtr<SourceBufferList> m_activeSourceBuffers;
 };
 
 } // namespace WebCore
 
 #endif