Add more missing closing namespace comments.

third_party/WebKit/Source/modules/filesystem/EntriesCallback.h

 /*
  * Copyright (C) 2010 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 27 matching lines @@
 class Entry;
 typedef HeapVector<Member<Entry>> EntryHeapVector;
 
 class EntriesCallback : public GarbageCollectedFinalized<EntriesCallback> {
 public:
     virtual ~EntriesCallback() { }
     DEFINE_INLINE_VIRTUAL_TRACE() { }
     virtual void handleEvent(const EntryHeapVector&) = 0;
 };
 
-} // namespace
+} // namespace blink
 
 #endif // EntriesCallback_h