Remove comment about blink::ResourceResponse subclass

third_party/WebKit/Source/platform/network/ResourceResponse.h

 /*
  * Copyright (C) 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2009 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 270 matching lines @@
     unsigned short remotePort() const { return m_remotePort; }
     void setRemotePort(unsigned short value) { m_remotePort = value; }
 
     const String& downloadedFilePath() const { return m_downloadedFilePath; }
     void setDownloadedFilePath(const String&);
 
     // Extra data associated with this response.
     ExtraData* getExtraData() const { return m_extraData.get(); }
     void setExtraData(PassRefPtr<ExtraData> extraData) { m_extraData = extraData; }
 
-    // The ResourceResponse subclass may "shadow" this method to provide platform-specific memory usage information
     unsigned memoryUsage() const
     {
         // average size, mostly due to URL and Header Map strings
         return 1280;
     }
 
     // This method doesn't compare the all members.
     static bool compare(const ResourceResponse&, const ResourceResponse&);
 
 private:
@@ skipping 153 matching lines @@
     int64_t m_responseTime;
     String m_remoteIPAddress;
     unsigned short m_remotePort;
     String m_downloadedFilePath;
     RefPtr<BlobDataHandle> m_downloadedFileHandle;
 };
 
 } // namespace blink
 
 #endif // ResourceResponse_h