Stop using WebCore namespace in generated code

Source/web/WebColorName.cpp

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 18 matching lines @@
  */
 
 #include "config.h"
 #include "public/web/WebColorName.h"
 
 #include "core/CSSValueKeywords.h"
 #include "core/rendering/RenderTheme.h"
 #include "platform/graphics/Color.h"
 #include "public/platform/WebColor.h"
 
-using namespace::WebCore;
-
 namespace blink {
 
 static int toCSSValueKeyword(WebColorName name)
 {
     switch (name) {
     case WebColorActiveBorder:
         return CSSValueActiveborder;
     case WebColorActiveCaption:
         return CSSValueActivecaption;
     case WebColorAppworkspace:
@@ skipping 68 matching lines @@
         if (internalColorName == CSSValueWebkitFocusRingColor) {
             RenderTheme::theme().setCustomFocusRingColor(color);
             continue;
         }
     }
 
     // TODO(jeremy): Tell RenderTheme to update colors.
 }
 
 } // WebKit