Implement disabled list

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 <set>
 
 #include "base/memory/weak_ptr.h"
 #include "components/offline_pages/background/device_conditions.h"
 #include "components/offline_pages/background/offliner_policy.h"
 #include "components/offline_pages/background/request_coordinator.h"
 #include "components/offline_pages/background/request_coordinator_event_logger.h"
 #include "components/offline_pages/background/request_queue.h"
 
 namespace offline_pages {
 
 class RequestNotifier;
 
 typedef bool (RequestPicker::*RequestCompareFunction)(
     const SavePageRequest* left, const SavePageRequest* right);
 
 class RequestPicker {
  public:
   RequestPicker(RequestQueue* requestQueue,
                 OfflinerPolicy* policy,
                 RequestNotifier* notifier,
                 RequestCoordinatorEventLogger* event_logger);
 
   ~RequestPicker();
 
   // Choose which request we should process next based on the current
   // conditions, and call back to the RequestCoordinator when we have one.
   void ChooseNextRequest(
       RequestCoordinator::RequestPickedCallback picked_callback,
       RequestCoordinator::RequestNotPickedCallback not_picked_callback,
-      DeviceConditions* device_conditions);
+      DeviceConditions* device_conditions,
+      const std::set<int64_t>& disabled_requests);
 
  private:
   // Callback for the GetRequest results to be delivered.
   void GetRequestResultCallback(
+      const std::set<int64_t>& disabled_requests,
       RequestQueue::GetRequestsResult result,
       std::vector<std::unique_ptr<SavePageRequest>> results);
 
   // Filter out requests that don't meet the current conditions.  For instance,
   // if this is a predictive request, and we are not on WiFi, it should be
   // ignored this round.
   bool RequestConditionsSatisfied(const SavePageRequest* request);
 
   // Using policies, decide if the new request is preferable to the best we have
   // so far.
@@ skipping 45 matching lines @@
   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_