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

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 295 matching lines @@
         metadata_store_.Pass()).Pass();
     sync_service_->AddServiceObserver(&mock_remote_observer_);
     sync_service_->AddFileStatusObserver(&mock_file_status_observer_);
     sync_service_->SetRemoteChangeProcessor(mock_remote_processor());
     sync_service_->SetSyncEnabled(enabled);
     message_loop_.RunUntilIdle();
   }
 
   virtual void TearDown() OVERRIDE {
     EXPECT_CALL(*mock_drive_service(), RemoveObserver(_));
-    EXPECT_CALL(*mock_drive_service(), CancelAll());
 
     if (sync_service_) {
       sync_service_.reset();
     }
 
     metadata_store_.reset();
     api_util_.reset();
     mock_drive_service_ = NULL;
 
     RevokeSyncableFileSystem();
@@ skipping 688 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