Add ProgressCallback to DriveServiceInterface::DownloadFile.

chrome/browser/google_apis/dummy_drive_service.cc

 // 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.
 
 #include "chrome/browser/google_apis/dummy_drive_service.h"
 
 namespace google_apis {
 
 DummyDriveService::DummyDriveService() {}
 
@@ skipping 67 matching lines @@
 
 void DummyDriveService::DeleteResource(const std::string& resource_id,
                                        const std::string& etag,
                                        const EntryActionCallback& callback) {}
 
 void DummyDriveService::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) {}
+    const GetContentCallback& get_content_callback,
+    const ProgressCallback& progress_callback) {}
 
 void DummyDriveService::CopyHostedDocument(
     const std::string& resource_id,
     const std::string& new_name,
     const GetResourceEntryCallback& callback) {}
 
 void DummyDriveService::RenameResource(const std::string& resource_id,
                                        const std::string& new_name,
                                        const EntryActionCallback& callback) {}
 
@@ skipping 45 matching lines @@
     const base::FilePath& drive_file_path,
     const GURL& upload_url,
     int64 content_length,
     const UploadRangeCallback& callback) {}
 
 void DummyDriveService::AuthorizeApp(const std::string& resource_id,
                                      const std::string& app_id,
                                      const AuthorizeAppCallback& callback) {}
 
 }  // namespace google_apis