Add more missing closing namespace comments.

third_party/WebKit/Source/core/layout/svg/SVGTextQuery.h

 /*
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 28 matching lines @@
     FloatPoint startPositionOfCharacter(unsigned position) const;
     FloatPoint endPositionOfCharacter(unsigned position) const;
     float rotationOfCharacter(unsigned position) const;
     FloatRect extentOfCharacter(unsigned position) const;
     int characterNumberAtPosition(const FloatPoint&) const;
 
 private:
     LayoutObject* m_queryRootLayoutObject;
 };
 
-}
+} // namespace blink
 
 #endif