Revert of Change VirtualTimePolicy::PAUSE_IF_NETWORK_FETCHES_PENDING

components/scheduler/renderer/web_view_scheduler_impl.h

Index: components/scheduler/renderer/web_view_scheduler_impl.h
diff --git a/components/scheduler/renderer/web_view_scheduler_impl.h b/components/scheduler/renderer/web_view_scheduler_impl.h
index 6f69845ae911e41fa81fec641ef6f3eb220ba215..89eee93771ee155de68983c3b35744ca583dbdff 100644
--- a/components/scheduler/renderer/web_view_scheduler_impl.h
+++ b/components/scheduler/renderer/web_view_scheduler_impl.h
@@ -27,6 +27,7 @@
 
 namespace scheduler {
 
+class AutoAdvancingVirtualTimeDomain;
 class RendererSchedulerImpl;
 class WebFrameSchedulerImpl;
 
@@ -56,14 +57,23 @@
   void DidStopLoading(unsigned long identifier);
   void IncrementBackgroundParserCount();
   void DecrementBackgroundParserCount();
+
+ private:
+  friend class WebFrameSchedulerImpl;
+
   void Unregister(WebFrameSchedulerImpl* frame_scheduler);
 
- private:
+  AutoAdvancingVirtualTimeDomain* virtual_time_domain() const {
+    return virtual_time_domain_.get();
+  }
+
   void setAllowVirtualTimeToAdvance(bool allow_virtual_time_to_advance);
   void ApplyVirtualTimePolicy();
 
   std::set<WebFrameSchedulerImpl*> frame_schedulers_;
   std::set<unsigned long> pending_loads_;
+  std::unique_ptr<AutoAdvancingVirtualTimeDomain> virtual_time_domain_;
+  TaskQueue::PumpPolicy virtual_time_pump_policy_;
   blink::WebView* web_view_;
   RendererSchedulerImpl* renderer_scheduler_;
   VirtualTimePolicy virtual_time_policy_;
@@ -71,8 +81,6 @@
   bool page_visible_;
   bool disable_background_timer_throttling_;
   bool allow_virtual_time_to_advance_;
-  bool have_seen_loading_task_;
-  bool virtual_time_;
 
   DISALLOW_COPY_AND_ASSIGN(WebViewSchedulerImpl);
 };