Cleanup namespace usage in Source/web/Web[A-H]*.cpp

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 105 matching lines @@
         int internalColorName = toCSSValueKeyword(colorName);
         if (internalColorName == CSSValueWebkitFocusRingColor) {
             RenderTheme::theme().setCustomFocusRingColor(color);
             continue;
         }
     }
 
     // TODO(jeremy): Tell RenderTheme to update colors.
 }
 
-} // WebKit
+} // namespace blink