Remove the webkit prefix from idl properties and interfaces.

sky/engine/core/html/HTMLVideoElement.cpp

Index: sky/engine/core/html/HTMLVideoElement.cpp
diff --git a/sky/engine/core/html/HTMLVideoElement.cpp b/sky/engine/core/html/HTMLVideoElement.cpp
index b9ab2a9c8a654590bde7b7b854e85f3785c22b47..c22cad85d7ff9b336297601a11f0d9c83eff5baf 100644
--- a/sky/engine/core/html/HTMLVideoElement.cpp
+++ b/sky/engine/core/html/HTMLVideoElement.cpp
@@ -203,22 +203,6 @@ void HTMLVideoElement::didMoveToNewDocument(Document& oldDocument)
     HTMLMediaElement::didMoveToNewDocument(oldDocument);
 }
 
-unsigned HTMLVideoElement::webkitDecodedFrameCount() const
-{
-    if (!webMediaPlayer())
-        return 0;
-
-    return webMediaPlayer()->decodedFrameCount();
-}
-
-unsigned HTMLVideoElement::webkitDroppedFrameCount() const
-{
-    if (!webMediaPlayer())
-        return 0;
-
-    return webMediaPlayer()->droppedFrameCount();
-}
-
 KURL HTMLVideoElement::posterImageURL() const
 {
     String url = stripLeadingAndTrailingHTMLSpaces(imageSourceURL());