Add more missing closing namespace comments.

third_party/WebKit/Source/core/fetch/TextResource.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TextResource_h
 #define TextResource_h
 
 #include "core/CoreExport.h"
 #include "core/fetch/ResourcePtr.h"
 
@@ skipping 11 matching lines @@
     String encoding() const override;
 
 protected:
     TextResource(const ResourceRequest&, Type, const String& mimeType, const String& charset);
     ~TextResource() override;
 
 private:
     OwnPtr<TextResourceDecoder> m_decoder;
 };
 
-}
+} // namespace blink
 
 #endif // TextResource_h