Get rid of RequestRegistry (part 2): remove cancellation methods.

chrome/browser/sync_file_system/drive/api_util.cc

 // Copyright 2013 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/api_util.h"
 
 #include <algorithm>
 #include <functional>
 #include <sstream>
 #include <string>
@@ skipping 167 matching lines @@
   drive_service_->AddObserver(this);
   net::NetworkChangeNotifier::AddConnectionTypeObserver(this);
 
   drive_uploader_ = drive_uploader.Pass();
 }
 
 APIUtil::~APIUtil() {
   DCHECK(CalledOnValidThread());
   net::NetworkChangeNotifier::RemoveConnectionTypeObserver(this);
   drive_service_->RemoveObserver(this);
-  drive_service_->CancelAll();
 }
 
 void APIUtil::AddObserver(APIUtilObserver* observer) {
   DCHECK(CalledOnValidThread());
   observers_.AddObserver(observer);
 }
 
 void APIUtil::RemoveObserver(APIUtilObserver* observer) {
   DCHECK(CalledOnValidThread());
   observers_.RemoveObserver(observer);
@@ skipping 870 matching lines @@
 }
 
 std::string APIUtil::GetRootResourceId() const {
   if (IsDriveAPIDisabled())
     return drive_service_->GetRootResourceId();
   return root_resource_id_;
 }
 
 }  // namespace drive
 }  // namespace sync_file_system