Add ProgressCallback to DriveServiceInterface::DownloadFile.

chrome/browser/sync_file_system/drive_file_sync_service_mock_unittest.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/sync_file_system/drive_file_sync_service.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/message_loop.h"
@@ skipping 548 matching lines @@
     scoped_ptr<google_apis::ResourceEntry> file_entry
         = google_apis::ResourceEntry::ExtractAndParse(*file_entry_value);
     EXPECT_CALL(*mock_drive_service(),
                 GetResourceEntry(file_resource_id, _))
         .WillOnce(InvokeGetResourceEntryCallback1(
             google_apis::HTTP_SUCCESS,
             base::Passed(&file_entry)))
         .RetiresOnSaturation();
 
     EXPECT_CALL(*mock_drive_service(),
-                DownloadFile(_, _, GURL("https://file_content_url"), _, _))
+                DownloadFile(_, _, GURL("https://file_content_url"), _, _, _))
         .WillOnce(InvokeDidDownloadFile())
         .RetiresOnSaturation();
   }
 
   void SetUpDriveServiceExpectCallsForAddNewDirectory(
       const std::string& parent_directory,
       const std::string& directory_name) {
     scoped_ptr<Value> origin_directory_created_value(LoadJSONFile(
         "chromeos/sync_file_system/origin_directory_created.json"));
     scoped_ptr<google_apis::ResourceEntry> origin_directory_created
@@ skipping 591 matching lines @@
   entry->set_kind(google_apis::ENTRY_KIND_FOLDER);
 
   // Expect to drop this change for file.
   EXPECT_FALSE(AppendIncrementalRemoteChangeByEntry(
       kOrigin, *entry, 1));
 }
 
 #endif  // !defined(OS_ANDROID)
 
 }  // namespace sync_file_system