Add more missing closing namespace comments.

third_party/WebKit/Source/modules/webgl/WebGLUniformLocation.cpp

 /*
  * Copyright (C) 2009 Apple Inc. All rights reserved.
  * 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 45 matching lines @@
     // longer valid.
     ASSERT(m_program->linkCount() == m_linkCount);
     return m_location;
 }
 
 DEFINE_TRACE(WebGLUniformLocation)
 {
     visitor->trace(m_program);
 }
 
-}
+} // namespace blink