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

chrome/browser/drive/drive_api_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_DRIVE_DRIVE_API_SERVICE_H_
 #define CHROME_BROWSER_DRIVE_DRIVE_API_SERVICE_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 30 matching lines @@
       net::URLRequestContextGetter* url_request_context_getter,
       const GURL& base_url,
       const std::string& custom_user_agent);
   virtual ~DriveAPIService();
 
   // DriveServiceInterface Overrides
   virtual void Initialize(Profile* profile) OVERRIDE;
   virtual void AddObserver(DriveServiceObserver* observer) OVERRIDE;
   virtual void RemoveObserver(DriveServiceObserver* observer) OVERRIDE;
   virtual bool CanSendRequest() const OVERRIDE;
-  virtual void CancelAll() OVERRIDE;
-  virtual bool CancelForFilePath(const base::FilePath& file_path) OVERRIDE;
   virtual std::string CanonicalizeResourceId(
       const std::string& resource_id) const OVERRIDE;
   virtual bool HasAccessToken() const OVERRIDE;
   virtual bool HasRefreshToken() const OVERRIDE;
   virtual void ClearAccessToken() OVERRIDE;
   virtual void ClearRefreshToken() OVERRIDE;
   virtual std::string GetRootResourceId() const OVERRIDE;
   virtual CancelCallback GetAllResourceList(
       const GetResourceListCallback& callback) OVERRIDE;
   virtual CancelCallback GetResourceListInDirectory(
@@ skipping 104 matching lines @@
   ObserverList<DriveServiceObserver> observers_;
   DriveApiUrlGenerator url_generator_;
   const std::string custom_user_agent_;
 
   DISALLOW_COPY_AND_ASSIGN(DriveAPIService);
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_DRIVE_DRIVE_API_SERVICE_H_