Add ProgressCallback to DriveServiceInterface::DownloadFile.

chrome/browser/google_apis/dummy_drive_service.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_GOOGLE_APIS_DUMMY_DRIVE_SERVICE_H_
 #define CHROME_BROWSER_GOOGLE_APIS_DUMMY_DRIVE_SERVICE_H_
 
 #include "chrome/browser/google_apis/drive_service_interface.h"
 
 namespace google_apis {
@@ skipping 45 matching lines @@
       const GetAboutResourceCallback& callback) OVERRIDE;
   virtual void GetAppList(const GetAppListCallback& callback) OVERRIDE;
   virtual void DeleteResource(const std::string& resource_id,
                               const std::string& etag,
                               const EntryActionCallback& callback) OVERRIDE;
   virtual void DownloadFile(
       const base::FilePath& virtual_path,
       const base::FilePath& local_cache_path,
       const GURL& download_url,
       const DownloadActionCallback& download_action_callback,
-      const GetContentCallback& get_content_callback) OVERRIDE;
+      const GetContentCallback& get_content_callback,
+      const ProgressCallback& progress_callback) OVERRIDE;
   virtual void CopyHostedDocument(
       const std::string& resource_id,
       const std::string& new_name,
       const GetResourceEntryCallback& callback) OVERRIDE;
   virtual void RenameResource(const std::string& resource_id,
                               const std::string& new_name,
                               const EntryActionCallback& callback) OVERRIDE;
   virtual void AddResourceToDirectory(
       const std::string& parent_resource_id,
       const std::string& resource_id,
@@ skipping 38 matching lines @@
       int64 content_length,
       const UploadRangeCallback& callback) OVERRIDE;
   virtual void AuthorizeApp(const std::string& resource_id,
                             const std::string& app_id,
                             const AuthorizeAppCallback& callback) OVERRIDE;
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_DUMMY_DRIVE_SERVICE_H_