[Offline Pages] Pick correct request when resuming.

components/offline_pages/core/background/request_coordinator.h

Index: components/offline_pages/core/background/request_coordinator.h
diff --git a/components/offline_pages/core/background/request_coordinator.h b/components/offline_pages/core/background/request_coordinator.h
index b9d3fae985f00b49e48aa8fe1d5fbff19c91f0df..95b705670aef4b60984e482042ba85dcbb6174c6 100644
--- a/components/offline_pages/core/background/request_coordinator.h
+++ b/components/offline_pages/core/background/request_coordinator.h
@@ -440,6 +440,8 @@ class RequestCoordinator : public KeyedService,
   base::OneShotTimer watchdog_timer_;
   // Used for potential immediate processing when we get network connection.
   std::unique_ptr<ConnectionNotifier> connection_notifier_;
+  // Used to track whether we have a prioritized request.
+  std::list<int64_t> priortized_requests_;

[fgorski, 2017/03/06 18:12:45]

1. why list over vector?
2. if still prefer to choose list, please add include

[romax, 2017/03/07 18:40:44]

Done.
was using list for a pop_front() action...

   // Allows us to pass a weak pointer to callbacks.
   base::WeakPtrFactory<RequestCoordinator> weak_ptr_factory_;