Add WebKit prefix to MediaSource,SourceBuffer, and SourceBufferList objects.

Source/modules/mediasource/MediaSource.idl

Index: Source/modules/mediasource/MediaSource.idl
diff --git a/Source/modules/mediasource/MediaSource.idl b/Source/modules/mediasource/MediaSource.idl
deleted file mode 100644
index 6550c8b4a222ca0754435940819084dbb0f02a9a..0000000000000000000000000000000000000000
--- a/Source/modules/mediasource/MediaSource.idl
+++ /dev/null
@@ -1,65 +0,0 @@
-/*
- * Copyright (C) 2012 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.
- */
- 
-[
-    NoInterfaceObject,
-    EnabledAtRuntime=mediaSource,
-    ActiveDOMObject,
-    EventTarget,
-    Constructor,
-    CallWith=ScriptExecutionContext
-] interface MediaSource {
-    // All the source buffers created by this object.
-    readonly attribute SourceBufferList sourceBuffers;
-
-    // Subset of sourceBuffers that provide data for the selected/enabled tracks.
-    readonly attribute SourceBufferList activeSourceBuffers;
-
-    [SetterRaisesException] attribute double duration;
-
-    [RaisesException] SourceBuffer addSourceBuffer(DOMString type);
-    [RaisesException] void removeSourceBuffer(SourceBuffer buffer);
-
-    readonly attribute DOMString readyState;
-    
-    [RaisesException] void endOfStream([Default=NullString] optional DOMString error);
-
-    static boolean isTypeSupported (DOMString type);
-
-    // EventTarget interface
-    void addEventListener(DOMString type,
-                          EventListener listener,
-                          optional boolean useCapture);
-    void removeEventListener(DOMString type,
-                             EventListener listener,
-                             optional boolean useCapture);
-    [RaisesException] boolean dispatchEvent(Event event);
-};
-