Rename ExceptionCode constants to use the names in the spec (2/3)

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 209 matching lines @@
 }
 
 void HTMLVideoElement::webkitEnterFullscreen(ExceptionCode& ec)
 {
     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() && !ScriptController::processingUserGesture()) || !supportsFullscreen()) {
-        ec = INVALID_STATE_ERR;
+        ec = InvalidStateError;
         return;
     }
 
     enterFullscreen();
 }
 
 void HTMLVideoElement::webkitExitFullscreen()
 {
     if (isFullscreen())
         exitFullscreen();
@@ skipping 34 matching lines @@
 
 KURL HTMLVideoElement::posterImageURL() const
 {
     String url = stripLeadingAndTrailingHTMLSpaces(imageSourceURL());
     if (url.isEmpty())
         return KURL();
     return document()->completeURL(url);
 }
 
 }