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

chrome/browser/drive/drive_service_interface.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_SERVICE_INTERFACE_H_
 #define CHROME_BROWSER_DRIVE_DRIVE_SERVICE_INTERFACE_H_
 
 #include <string>
 
 #include "chrome/browser/google_apis/base_requests.h"
@@ skipping 73 matching lines @@
 
   // Adds an observer.
   virtual void AddObserver(DriveServiceObserver* observer) = 0;
 
   // Removes an observer.
   virtual void RemoveObserver(DriveServiceObserver* observer) = 0;
 
   // True if ready to send requests.
   virtual bool CanSendRequest() const = 0;
 
-  // Cancels all in-flight requests.
-  virtual void CancelAll() = 0;
-
-  // Cancels ongoing request for a given virtual |file_path|. Returns true if
-  // the request was found and canceled.
-  virtual bool CancelForFilePath(const base::FilePath& file_path) = 0;
-
   // Converts the given resource ID into the desired format.
   virtual std::string CanonicalizeResourceId(
       const std::string& resource_id) const = 0;
 
   // Authentication service:
 
   // True if OAuth2 access token is retrieved and believed to be fresh.
   virtual bool HasAccessToken() const = 0;
 
   // True if OAuth2 refresh token is present.
@@ skipping 255 matching lines @@
   // the provided app. |callback| must not be null.
   virtual CancelCallback AuthorizeApp(
       const std::string& resource_id,
       const std::string& app_id,
       const AuthorizeAppCallback& callback) = 0;
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_DRIVE_DRIVE_SERVICE_INTERFACE_H_