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

chrome/browser/google_apis/request_sender.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_SENDER_H_
 #define CHROME_BROWSER_GOOGLE_APIS_REQUEST_SENDER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 33 matching lines @@
   virtual ~RequestSender();
 
   AuthService* auth_service() { return auth_service_.get(); }
   RequestRegistry* request_registry() {
     return request_registry_.get();
   }
 
   // Prepares the object for use.
   virtual void Initialize();
 
-  // Cancels all in-flight requests.
-  void CancelAll();
-
   // Starts a request implementing the AuthenticatedRequestInterface
   // interface, and makes the request retry upon authentication failures by
   // calling back to RetryRequest.
   //
   // Returns a closure to cancel the request. The closure cancels the request
   // if it is in-flight, and does nothing if it is already terminated.
   base::Closure StartRequestWithRetry(AuthenticatedRequestInterface* request);
 
  private:
   // Called when the access token is fetched.
@@ skipping 20 matching lines @@
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<RequestSender> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestSender);
 };
 
 }  // namespace google_apis
 
 #endif  // CHROME_BROWSER_GOOGLE_APIS_REQUEST_SENDER_H_