[OfflinePages, NetworkQualityEstimator] Use NetworkQualityEstimator to decide on triggering Backgro…

components/offline_pages/background/request_coordinator.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_COORDINATOR_H_
 #define COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_COORDINATOR_H_
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/supports_user_data.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/offline_pages/background/device_conditions.h"
 #include "components/offline_pages/background/offliner.h"
 #include "components/offline_pages/background/request_coordinator_event_logger.h"
 #include "components/offline_pages/background/request_notifier.h"
 #include "components/offline_pages/background/request_queue.h"
 #include "components/offline_pages/background/scheduler.h"
+#include "net/nqe/network_quality_estimator.h"
 #include "url/gurl.h"
 
 namespace offline_pages {
 
 struct ClientId;
 class OfflinerPolicy;
 class OfflinerFactory;
 class Offliner;
 class RequestPicker;
 class SavePageRequest;
@@ skipping 19 matching lines @@
         RequestNotifier::BackgroundSavePageResult status) = 0;
     virtual void OnChanged(const SavePageRequest& request) = 0;
   };
 
   // Callback to report when a request was available.
   typedef base::Callback<void(const SavePageRequest& request)>
       RequestPickedCallback;
   // Callback to report when no request was available.
   typedef base::Callback<void(bool)> RequestNotPickedCallback;
 
-  RequestCoordinator(std::unique_ptr<OfflinerPolicy> policy,
-                     std::unique_ptr<OfflinerFactory> factory,
-                     std::unique_ptr<RequestQueue> queue,
-                     std::unique_ptr<Scheduler> scheduler);
+  RequestCoordinator(
+      std::unique_ptr<OfflinerPolicy> policy,
+      std::unique_ptr<OfflinerFactory> factory,
+      std::unique_ptr<RequestQueue> queue,
+      std::unique_ptr<Scheduler> scheduler,
+      std::unique_ptr<net::NetworkQualityEstimator::NetworkQualityProvider>
+          network_quality_provider);
 
   ~RequestCoordinator() override;
 
   // Queues |request| to later load and save when system conditions allow.
   // Returns true if the page could be queued successfully.
   bool SavePageLater(
       const GURL& url, const ClientId& client_id, bool user_reqeusted);
 
   // Callback specifying which request IDs were actually removed.
   typedef base::Callback<void(
@@ skipping 207 matching lines @@
   // Last known conditions for network, battery
   std::unique_ptr<DeviceConditions> current_conditions_;
   // RequestCoordinator takes over ownership of the policy
   std::unique_ptr<OfflinerPolicy> policy_;
   // OfflinerFactory.  Used to create offline pages. Owned.
   std::unique_ptr<OfflinerFactory> factory_;
   // RequestQueue.  Used to store incoming requests. Owned.
   std::unique_ptr<RequestQueue> queue_;
   // Scheduler. Used to request a callback when network is available.  Owned.
   std::unique_ptr<Scheduler> scheduler_;
+  // Network Quality Estimator.
+  std::unique_ptr<net::NetworkQualityEstimator::NetworkQualityProvider> nqe_;
   // Holds copy of the active request, if any.
   std::unique_ptr<SavePageRequest> active_request_;
   // Status of the most recent offlining.
   Offliner::RequestStatus last_offlining_status_;
   // Class to choose which request to schedule next
   std::unique_ptr<RequestPicker> picker_;
   // Calling this returns to the scheduler across the JNI bridge.
   base::Callback<void(bool)> scheduler_callback_;
   // Logger to record events.
   RequestCoordinatorEventLogger event_logger_;
   // Timer to watch for pre-render attempts running too long.
   base::OneShotTimer watchdog_timer_;
   // How long to wait for an offliner request before giving up.
   base::TimeDelta offliner_timeout_;
   // Allows us to pass a weak pointer to callbacks.
   base::WeakPtrFactory<RequestCoordinator> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RequestCoordinator);
 };
 
 }  // namespace offline_pages
 
 #endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_REQUEST_COORDINATOR_H_