Add more missing closing namespace comments.

third_party/WebKit/Source/core/style/ShapeValue.h

 /*
  * Copyright (C) 2012 Adobe Systems Incorporated. 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.
@@ skipping 121 matching lines @@
     case Box:
         return cssBox() == other.cssBox();
     case Image:
         return dataEquivalent(image(), other.image());
     }
 
     ASSERT_NOT_REACHED();
     return false;
 }
 
-}
+} // namespace blink
 
 #endif