Add more missing closing namespace comments.

third_party/WebKit/Source/platform/UserGestureIndicator.cpp

 /*
  * Copyright (C) 2010 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 94 matching lines @@
     {
     }
 
     size_t m_consumableGestures;
     double m_timestamp;
     bool m_outOfProcess;
     bool m_javascriptPrompt;
     bool m_pauseInDebugger;
 };
 
-}
+} // namespace
 
 static bool isDefinite(ProcessingUserGestureState state)
 {
     return state == DefinitelyProcessingNewUserGesture || state == DefinitelyProcessingUserGesture || state == DefinitelyNotProcessingUserGesture;
 }
 
 ProcessingUserGestureState UserGestureIndicator::s_state = DefinitelyNotProcessingUserGesture;
 UserGestureIndicator* UserGestureIndicator::s_topmostIndicator = 0;
 bool UserGestureIndicator::s_processedUserGestureSinceLoad = false;
 
@@ skipping 91 matching lines @@
         s_processedUserGestureSinceLoad = false;
 }
 
 bool UserGestureIndicator::processedUserGestureSinceLoad()
 {
     if (!isMainThread())
         return false;
     return s_processedUserGestureSinceLoad;
 }
 
-}
+} // namespace blink