[Offline pages] Updating RequestQueue::RemoveRequests to use a TaskQueue

components/offline_pages/background/request_picker.h

 // Copyright 2016 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 COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_
 #define COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_
 
 #include <memory>
 
 #include "base/memory/weak_ptr.h"
@@ skipping 60 matching lines @@
                           const SavePageRequest* right);
 
   // Split all requests into expired ones and still valid ones.  Takes ownership
   // of the requests, and moves them into either valid or expired requests.
   void SplitRequests(
       std::vector<std::unique_ptr<SavePageRequest>> requests,
       std::vector<std::unique_ptr<SavePageRequest>>* valid_requests,
       std::vector<std::unique_ptr<SavePageRequest>>* expired_requests);
 
   // Callback used after requests get expired.
-  void OnRequestExpired(
-      const RequestQueue::UpdateMultipleRequestResults& results,
-      const std::vector<std::unique_ptr<SavePageRequest>> requests);
+  void OnRequestExpired(std::unique_ptr<UpdateRequestsResult> result);
 
   // Unowned pointer to the request queue.
   RequestQueue* queue_;
   // Unowned pointer to the policy object.
   OfflinerPolicy* policy_;
   // Unowned pointer to the request coordinator.
   RequestNotifier* notifier_;
   // Unowned pointer to the event logger.
   RequestCoordinatorEventLogger* event_logger_;
   // Current conditions on the device
   std::unique_ptr<DeviceConditions> current_conditions_;
   // True if we prefer less-tried requests
   bool fewer_retries_better_;
   // True if we prefer requests submitted more recently
   bool earlier_requests_better_;
   // Callback for when we are done picking a request to do next.
   RequestCoordinator::RequestPickedCallback picked_callback_;
   // Callback for when there are no more reqeusts to pick.
   RequestCoordinator::RequestNotPickedCallback not_picked_callback_;
   // Allows us to pass a weak pointer to callbacks.
   base::WeakPtrFactory<RequestPicker> weak_ptr_factory_;
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_PICKER_H_