Add more missing closing namespace comments.

third_party/WebKit/Source/bindings/core/v8/ArrayValue.h

 /*
  * Copyright (C) 2012 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 47 matching lines @@
     static void* operator new(size_t);
     static void* operator new[](size_t);
     static void operator delete(void *);
 
     v8::Local<v8::Array> m_array;
     v8::Isolate* m_isolate;
     // FIXME: ArrayValue constructor should take an exception state.
     mutable NonThrowableExceptionState m_exceptionState;
 };
 
-}
+} // namespace blink
 
 #endif // ArrayValue_h