Add UseCounters for prefixed HTMLVideoElement APIs

Source/core/html/HTMLVideoElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 201 matching lines @@
 }
 
 bool HTMLVideoElement::hasAvailableVideoFrame() const
 {
     if (!player())
         return false;
 
     return player()->hasVideo() && player()->readyState() >= MediaPlayer::HaveCurrentData;
 }
 
-void HTMLVideoElement::webkitEnterFullscreen(ExceptionState& es)
+void HTMLVideoElement::webkitEnterFullscreen(ExceptionState& es, UseCounter::Feature feature)
 {
+    UseCounter::count(document(), feature);
+
     if (isFullscreen())
         return;
 
     // Generate an exception if this isn't called in response to a user gesture, or if the
     // element does not support fullscreen.
     if ((userGestureRequiredForFullscreen() && !UserGestureIndicator::processingUserGesture()) || !supportsFullscreen()) {
         es.throwUninformativeAndGenericDOMException(InvalidStateError);
         return;
     }
 
     enterFullscreen();
 }
 
-void HTMLVideoElement::webkitExitFullscreen()
+void HTMLVideoElement::webkitExitFullscreen(UseCounter::Feature feature)
 {
+    UseCounter::count(document(), feature);
     if (isFullscreen())
         exitFullscreen();
 }
 
 bool HTMLVideoElement::webkitSupportsFullscreen()
 {
+    UseCounter::count(document(), UseCounter::PrefixedVideoSupportsFullscreen);
     return supportsFullscreen();
 }
 
 bool HTMLVideoElement::webkitDisplayingFullscreen()
 {
+    UseCounter::count(document(), UseCounter::PrefixedVideoDisplayingFullscreen);
     return isFullscreen();
 }
 
 void HTMLVideoElement::didMoveToNewDocument(Document& oldDocument)
 {
     if (m_imageLoader)
         m_imageLoader->elementDidMoveToNewDocument();
     HTMLMediaElement::didMoveToNewDocument(oldDocument);
 }
 
 unsigned HTMLVideoElement::webkitDecodedFrameCount() const
 {
+    UseCounter::count(document(), UseCounter::PrefixedVideoDecodedFrameCount);
+
     if (!player())
         return 0;
 
     return player()->decodedFrameCount();
 }
 
 unsigned HTMLVideoElement::webkitDroppedFrameCount() const
 {
+    UseCounter::count(document(), UseCounter::PrefixedVideoDroppedFrameCount);
+
     if (!player())
         return 0;
 
     return player()->droppedFrameCount();
 }
 
 KURL HTMLVideoElement::posterImageURL() const
 {
     String url = stripLeadingAndTrailingHTMLSpaces(imageSourceURL());
     if (url.isEmpty())
         return KURL();
     return document().completeURL(url);
 }
 
 }