[Offline Pages] Gates immediate triggering (non scheduled) of background loading by whether low end…

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 <utility>
 
 #include "base/bind.h"
 #include "base/callback.h"
 #include "base/logging.h"
 #include "base/metrics/histogram_macros.h"
 #include "base/rand_util.h"
+#include "base/sys_info.h"
 #include "base/time/time.h"
 #include "components/offline_pages/background/offliner_factory.h"
 #include "components/offline_pages/background/offliner_policy.h"
 #include "components/offline_pages/background/request_picker.h"
 #include "components/offline_pages/background/save_page_request.h"
 #include "components/offline_pages/offline_page_item.h"
 #include "components/offline_pages/offline_page_model.h"
 
 namespace offline_pages {
 
@@ skipping 341 matching lines @@
 
   TryNextRequest();
 
   return true;
 }
 
 void RequestCoordinator::StartProcessingIfConnected() {
   // Makes sure not already busy processing.
   if (is_busy_) return;
 
+  // Make sure we are not on svelte device to start immediately.
+  if (base::SysInfo::IsLowEndDevice()) return;
+
   // Check for network connectivity.
   net::NetworkChangeNotifier::ConnectionType connection = GetConnectionType();
 
   if ((connection !=
        net::NetworkChangeNotifier::ConnectionType::CONNECTION_NONE)) {
     // Create conservative device conditions for the connectivity
     // (assume no battery).
     DeviceConditions device_conditions(false, 0, connection);
     StartProcessing(device_conditions, base::Bind(&EmptySchedulerCallback));
   }
@@ skipping 193 matching lines @@
   FOR_EACH_OBSERVER(Observer, observers_, OnChanged(request));
 }
 
 void RequestCoordinator::GetOffliner() {
   if (!offliner_) {
     offliner_ = factory_->GetOffliner(policy_.get());
   }
 }
 
 }  // namespace offline_pages