Implement a DRIVE_REQUEST_TOO_LARGE backoff.

google_apis/drive/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 GOOGLE_APIS_DRIVE_REQUEST_SENDER_H_
 #define GOOGLE_APIS_DRIVE_REQUEST_SENDER_H_
 
 #include <set>
 #include <string>
 
@@ skipping 51 matching lines @@
   }
 
   // Starts a request implementing the AuthenticatedRequestInterface
   // interface, and makes the request retry upon authentication failures by
   // calling back to RetryRequest. The |request| object is owned by this
   // RequestSender. It will be deleted in RequestSender's destructor or
   // in RequestFinished().
   //
   // 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);
+  base::Closure StartRequestWithAuthRetry(
+      AuthenticatedRequestInterface* request);
 
   // Notifies to this RequestSender that |request| has finished.
   // TODO(kinaba): refactor the life time management and make this at private.
   void RequestFinished(AuthenticatedRequestInterface* request);
 
  private:
   // Called when the access token is fetched.
   void OnAccessTokenFetched(
       const base::WeakPtr<AuthenticatedRequestInterface>& request,
       DriveApiErrorCode error,
       const std::string& access_token);
 
   // Clears any authentication token and retries the request, which forces
   // an authentication token refresh.
   void RetryRequest(AuthenticatedRequestInterface* request);
 
   // Cancels the request. Used for implementing the returned closure of
-  // StartRequestWithRetry.
+  // StartRequestWithAuthRetry.
   void CancelRequest(
       const base::WeakPtr<AuthenticatedRequestInterface>& request);
 
   scoped_ptr<AuthServiceInterface> auth_service_;
   scoped_refptr<net::URLRequestContextGetter> url_request_context_getter_;
   scoped_refptr<base::SequencedTaskRunner> blocking_task_runner_;
 
   std::set<AuthenticatedRequestInterface*> in_flight_requests_;
   const std::string custom_user_agent_;
 
   base::ThreadChecker thread_checker_;
 
   // 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  // GOOGLE_APIS_DRIVE_REQUEST_SENDER_H_