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

components/offline_pages/background/request_coordinator.h

Index: components/offline_pages/background/request_coordinator.h
diff --git a/components/offline_pages/background/request_coordinator.h b/components/offline_pages/background/request_coordinator.h
index d130df002c45d79e744317f8c8faac2b56fba0f8..ccf8dc72545976425fde1f088b7644fa92cffc03 100644
--- a/components/offline_pages/background/request_coordinator.h
+++ b/components/offline_pages/background/request_coordinator.h
@@ -21,6 +21,7 @@
 #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 {
@@ -60,10 +61,13 @@ class RequestCoordinator : public KeyedService,
   // 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;
 
@@ -291,6 +295,8 @@ class RequestCoordinator : public KeyedService,
   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.