Add more missing closing namespace comments.

third_party/WebKit/Source/core/layout/ClipPathOperation.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 118 matching lines @@
 inline bool ShapeClipPathOperation::operator==(const ClipPathOperation& o) const
 {
     if (!isSameType(o))
         return false;
     BasicShape* otherShape = toShapeClipPathOperation(o).m_shape.get();
     if (!m_shape.get() || !otherShape)
         return static_cast<bool>(m_shape.get()) == static_cast<bool>(otherShape);
     return *m_shape == *otherShape;
 }
 
-}
+} // namespace blink
 
 #endif // ClipPathOperation_h