Add missing closing namespace comments to wtf.

third_party/WebKit/Source/wtf/Functional.h

 /*
  * Copyright (C) 2011 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 336 matching lines @@
 template<typename... UnboundArgs, typename FunctionType, typename... BoundArgs>
 PassOwnPtr<Function<typename FunctionWrapper<FunctionType>::ResultType(UnboundArgs...)>> bind(FunctionType function, const BoundArgs&... boundArgs)
 {
     const int boundArgsCount = sizeof...(BoundArgs);
     using BoundFunctionType = PartBoundFunctionImpl<boundArgsCount, FunctionWrapper<FunctionType>, typename FunctionWrapper<FunctionType>::ResultType(BoundArgs..., UnboundArgs...)>;
     return adoptPtr(new BoundFunctionType(FunctionWrapper<FunctionType>(function), boundArgs...));
 }
 
 typedef Function<void()> Closure;
 
-}
+} // namespace WTF
 
 using WTF::Function;
 using WTF::bind;
 using WTF::Closure;
 
 #endif // WTF_Functional_h