gdata cleanup: Fix mismatched comments and remove unnecessary forward declarations.

webkit/chromeos/fileapi/remote_file_system_proxy.h

 // Copyright (c) 2012 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 WEBKIT_CHROMEOS_FILEAPI_REMOTE_FILE_SYSTEM_PROXY_H_
 #define WEBKIT_CHROMEOS_FILEAPI_REMOTE_FILE_SYSTEM_PROXY_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "webkit/fileapi/file_system_operation_interface.h"
 
-class GURL;
-
 namespace fileapi {
 
 typedef base::Callback<
     void(base::PlatformFileError result,
          const FilePath& platform_path,
          const scoped_refptr<webkit_blob::ShareableFileReference>& file_ref)>
     WritableSnapshotFile;
 
 // The interface class for remote file system proxy.
 class RemoteFileSystemProxyInterface :
@@ skipping 84 matching lines @@
   // TODO(zelidrag): More methods to follow as we implement other parts of FSO.
 
  protected:
   friend class base::RefCountedThreadSafe<RemoteFileSystemProxyInterface>;
   virtual ~RemoteFileSystemProxyInterface() {}
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_CHROMEOS_FILEAPI_REMOTE_FILE_SYSTEM_PROXY_H_