drive: Stop returning FilePath from GetResourceEntryById

chrome/browser/chromeos/drive/file_system_interface.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 CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_INTERFACE_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_INTERFACE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 151 matching lines @@
 
   // Checks for updates on the server.
   virtual void CheckForUpdates() = 0;
 
   // Finds an entry (file or directory) by using |resource_id|. This call
   // does not initiate content refreshing.
   //
   // |callback| must not be null.
   virtual void GetResourceEntryById(
       const std::string& resource_id,
-      const GetResourceEntryWithFilePathCallback& callback) = 0;
+      const GetResourceEntryCallback& callback) = 0;
 
   // Initiates transfer of |remote_src_file_path| to |local_dest_file_path|.
   // |remote_src_file_path| is the virtual source path on the Drive file system.
   // |local_dest_file_path| is the destination path on the local file system.
   //
   // |callback| must not be null.
   virtual void TransferFileFromRemoteToLocal(
       const base::FilePath& remote_src_file_path,
       const base::FilePath& local_dest_file_path,
       const FileOperationCallback& callback) = 0;
@@ skipping 270 matching lines @@
       const std::string& md5,
       const GetCacheEntryCallback& callback) = 0;
 
   // Reloads the file system feeds from the server.
   virtual void Reload() = 0;
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_INTERFACE_H_