Add more missing closing namespace comments.

third_party/WebKit/Source/core/html/shadow/TextControlInnerElements.h

 /*
  * Copyright (C) 2006, 2008, 2010 Apple Inc. All rights reserved.
  * 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:
  * 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 76 matching lines @@
     bool willRespondToMouseClickEvents() override;
 
 private:
     explicit SearchFieldCancelButtonElement(Document&);
     void detach(const AttachContext& = AttachContext()) override;
     bool supportsFocus() const override { return false; }
 
     bool m_capturing;
 };
 
-} // namespace
+} // namespace blink
 
 #endif