drive: Remove unused DriveServiceInterface::TouchResource

chrome/browser/drive/drive_api_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/drive_api_service.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 652 matching lines @@
 
   FilesPatchRequest* request = new FilesPatchRequest(
       sender_.get(), url_generator_,
       base::Bind(&EntryActionCallbackAdapter, callback));
   request->set_file_id(resource_id);
   request->set_title(new_title);
   request->set_fields(kFileResourceFields);
   return sender_->StartRequestWithRetry(request);
 }
 
-CancelCallback DriveAPIService::TouchResource(
-    const std::string& resource_id,
-    const base::Time& modified_date,
-    const base::Time& last_viewed_by_me_date,
-    const GetResourceEntryCallback& callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  DCHECK(!modified_date.is_null());
-  DCHECK(!last_viewed_by_me_date.is_null());
-  DCHECK(!callback.is_null());
-
-  FilesPatchRequest* request = new FilesPatchRequest(
-      sender_.get(), url_generator_,
-      base::Bind(&ConvertFileEntryToResourceEntryAndRun, callback));
-  // Need to set setModifiedDate to true to overwrite modifiedDate.
-  request->set_set_modified_date(true);
-
-  // Need to set updateViewedDate to false, otherwise the lastViewedByMeDate
-  // will be set to the request time (not the specified time via request).
-  request->set_update_viewed_date(false);
-
-  request->set_modified_date(modified_date);
-  request->set_last_viewed_by_me_date(last_viewed_by_me_date);
-  request->set_fields(kFileResourceFields);
-  return sender_->StartRequestWithRetry(request);
-}
-
 CancelCallback DriveAPIService::AddResourceToDirectory(
     const std::string& parent_resource_id,
     const std::string& resource_id,
     const EntryActionCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   DCHECK(!callback.is_null());
 
   ChildrenInsertRequest* request =
       new ChildrenInsertRequest(sender_.get(), url_generator_, callback);
   request->set_folder_id(parent_resource_id);
@@ skipping 184 matching lines @@
   if (CanSendRequest()) {
     FOR_EACH_OBSERVER(
         DriveServiceObserver, observers_, OnReadyToSendRequests());
   } else if (!HasRefreshToken()) {
     FOR_EACH_OBSERVER(
         DriveServiceObserver, observers_, OnRefreshTokenInvalid());
   }
 }
 
 }  // namespace drive