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

chrome/browser/google_apis/request_registry.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_GOOGLE_APIS_REQUEST_REGISTRY_H_
 #define CHROME_BROWSER_GOOGLE_APIS_REQUEST_REGISTRY_H_
 
 #include "base/basictypes.h"
 #include "base/files/file_path.h"
 #include "base/id_map.h"
@@ skipping 60 matching lines @@
     void NotifyFinish(RequestTransferState status);
 
    private:
     // Does the cancellation.
     virtual void DoCancel() = 0;
 
     RequestRegistry* const registry_;
     RequestProgressStatus progress_status_;
   };
 
-  // Cancels all in-flight requests.
-  void CancelAll();
-
-  // Cancels ongoing request for a given virtual |file_path|. Returns true if
-  // the request was found and canceled.
-  bool CancelForFilePath(const base::FilePath& file_path);
-
   // Cancels the specified request.
   void CancelRequest(Request* request);
 
  private:
   // Handlers for notifications from Requests.
   friend class Request;
   // Notifies that an request has started. This method passes the ownership of
   // the request to the registry. A fresh request ID is returned to *id.
   void OnRequestStart(Request* request, RequestID* id);
   void OnRequestFinish(RequestID request_id);
 
   typedef IDMap<Request, IDMapOwnPointer> RequestIDMap;
   RequestIDMap in_flight_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestRegistry);
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_REQUEST_REGISTRY_H_