drive: Remove unused DriveServiceInterface::TouchResource

chrome/browser/drive/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/drive/dummy_drive_service.h"
 
 #include "base/bind.h"
 #include "chrome/browser/drive/drive_api_util.h"
 
 using google_apis::AboutResourceCallback;
@@ skipping 120 matching lines @@
     const base::Time& last_viewed_by_me,
     const google_apis::GetResourceEntryCallback& callback) {
   return CancelCallback();
 }
 
 CancelCallback DummyDriveService::RenameResource(
     const std::string& resource_id,
     const std::string& new_title,
     const EntryActionCallback& callback) { return CancelCallback(); }
 
-CancelCallback DummyDriveService::TouchResource(
-    const std::string& resource_id,
-    const base::Time& modified_date,
-    const base::Time& last_viewed_by_me_date,
-    const GetResourceEntryCallback& callback) { return CancelCallback(); }
-
 CancelCallback DummyDriveService::AddResourceToDirectory(
     const std::string& parent_resource_id,
     const std::string& resource_id,
     const EntryActionCallback& callback) { return CancelCallback(); }
 
 CancelCallback DummyDriveService::RemoveResourceFromDirectory(
     const std::string& parent_resource_id,
     const std::string& resource_id,
     const EntryActionCallback& callback) { return CancelCallback(); }
 
@@ skipping 38 matching lines @@
 
 CancelCallback DummyDriveService::GetResourceListInDirectoryByWapi(
     const std::string& directory_resource_id,
     const GetResourceListCallback& callback) { return CancelCallback(); }
 
 CancelCallback DummyDriveService::GetRemainingResourceList(
     const GURL& next_link,
     const GetResourceListCallback& callback) { return CancelCallback(); }
 
 }  // namespace drive