Deprecate unused feature DOMImplementationCreateCSSStyleSheet

Source/core/frame/UseCounter.h

 /*
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 258 matching lines @@
         OverflowChangedEvent,
         SVGPointMatrixTransform,
         HTMLHtmlElementManifest,
         DOMFocusInOutEvent,
         FileGetLastModifiedDate,
         HTMLElementInnerText,
         HTMLElementOuterText,
         ReplaceDocumentViaJavaScriptURL,
         ElementSetAttributeNodeNS, // Removed from DOM4.
         ElementPrefixedMatchesSelector,
-        DOMImplementationCreateCSSStyleSheet,
+        DOMImplementationCreateCSSStyleSheet, // Removed from DOM

[philipj_slow, 2014/01/16 11:24:22]

Counters that become unused should be replaced by UnusedSlotXX, search in this
file for an example.

         CSSStyleSheetRules,
         CSSStyleSheetAddRule,
         CSSStyleSheetRemoveRule,
         InitMessageEvent,
         PrefixedInitMessageEvent,
         ElementSetPrefix, // Element.prefix is readonly in DOM4.
         CSSStyleDeclarationGetPropertyCSSValue,
         SVGElementGetPresentationAttribute,
         // Add new features immediately above this line. Don't change assigned
         // numbers of each items, and don't reuse unused slots.
@@ skipping 43 matching lines @@
 
     void updateMeasurements();
 
     OwnPtr<BitVector> m_countBits;
     BitVector m_CSSFeatureBits;
 };
 
 } // namespace WebCore
 
 #endif // UseCounter_h