Add retries for completed background loading attempts

components/offline_pages/background/request_coordinator.cc

 // 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.
 
 #include "components/offline_pages/background/request_coordinator.h"
 
 #include <limits>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 200 matching lines @@
     std::vector<std::unique_ptr<SavePageRequest>> requests) {
   callback.Run(std::move(requests));
 }
 
 void RequestCoordinator::StopPrerendering(Offliner::RequestStatus stop_status) {
   if (offliner_ && is_busy_) {
     DCHECK(active_request_.get());
     offliner_->Cancel();
 
     // If we timed out, let the offliner done callback handle it.
-    if (processing_state_ == ProcessingWindowState::IMMEDIATE_WINDOW &&
-        stop_status == Offliner::RequestStatus::REQUEST_COORDINATOR_TIMED_OUT)
+    if (stop_status == Offliner::RequestStatus::REQUEST_COORDINATOR_TIMED_OUT)
       return;
 
     // Otherwise, this attempt never really had a chance to run, mark it
     // aborted.
     AbortRequestAttempt(active_request_.get());
   }
 
   // Stopping offliner means it will not call callback so set last status.
   last_offlining_status_ = stop_status;
 
@@ skipping 593 matching lines @@
 
 ClientPolicyController* RequestCoordinator::GetPolicyController() {
   return policy_controller_.get();
 }
 
 void RequestCoordinator::Shutdown() {
   network_quality_estimator_ = nullptr;
 }
 
 }  // namespace offline_pages