Add more missing closing namespace comments.

third_party/WebKit/Source/core/editing/RenderedPosition.h

 /*
  * Copyright (C) 2011 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 99 matching lines @@
     : m_layoutObject(layoutObject)
     , m_inlineBox(box)
     , m_offset(offset)
     , m_prevLeafChild(uncachedInlineBox())
     , m_nextLeafChild(uncachedInlineBox())
 {
 }
 
 CORE_EXPORT bool layoutObjectContainsPosition(LayoutObject*, const Position&);
 
-};
+} // namespace blink;
 
 #endif // RenderedPosition_h