Update Custom Elements API to new names.

Source/core/frame/UseCounter.cpp

 
 /*
  * 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:
  * 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
@@ skipping 628 matching lines @@
 
     case DocumentClear:
         return "document.clear() is deprecated. This method doesn't do anything.";
 
     case PrefixedTransitionMediaFeature:
         return "The '(-webkit-transition)' media query feature is deprecated; please consider using the more exact conditional \"@supports('(transition-property: prop_name)')\" instead.";
 
     // Web Components
     case HTMLShadowElementOlderShadowRoot:
         return "HTMLShadowElement.olderShadowRoot is deprecated.";
-    case PrefixedDocumentRegister:
-        return "The document.webkitRegister method is deprecated. Use the document.register method instead.";
 
     // HTML Media Capture
     case CaptureAttributeAsEnum:
         return "Using the 'capture' attribute as an enum is deprecated. Please use it as a boolean and specify the media types that should be accepted in the 'accept' attribute.";
 
     // Keyboard Event (DOM Level 3)
     case KeyboardEventKeyLocation:
         return "'KeyboardEvent.keyLocation'' is deprecated. Please use 'KeyboardEvent.location' instead.";
 
     case CaptureEvents:
@@ skipping 64 matching lines @@
 UseCounter* UseCounter::getFrom(const StyleSheetContents* sheetContents)
 {
     // FIXME: We may want to handle stylesheets that have multiple owners
     //        http://crbug.com/242125
     if (sheetContents && sheetContents->hasSingleOwnerNode())
         return getFrom(sheetContents->singleOwnerDocument());
     return 0;
 }
 
 } // namespace WebCore