scheduler: Throttle timers in out-of-view frames

components/scheduler/renderer/web_view_scheduler_impl.cc

Index: components/scheduler/renderer/web_view_scheduler_impl.cc
diff --git a/components/scheduler/renderer/web_view_scheduler_impl.cc b/components/scheduler/renderer/web_view_scheduler_impl.cc
index 4ab4c11c570b329381533f53069073ab19c9eb29..4221a4228e1ec753b8039dd50f075742a8c71176 100644
--- a/components/scheduler/renderer/web_view_scheduler_impl.cc
+++ b/components/scheduler/renderer/web_view_scheduler_impl.cc
@@ -20,13 +20,15 @@ namespace scheduler {
 WebViewSchedulerImpl::WebViewSchedulerImpl(
     blink::WebView* web_view,
     RendererSchedulerImpl* renderer_scheduler,
-    bool disable_background_timer_throttling)
+    bool disable_background_timer_throttling,
+    bool allow_hidden_timer_throttling)
     : virtual_time_pump_policy_(TaskQueue::PumpPolicy::AUTO),
       web_view_(web_view),
       renderer_scheduler_(renderer_scheduler),
       page_visible_(true),
       disable_background_timer_throttling_(disable_background_timer_throttling),
-      allow_virtual_time_to_advance_(true) {
+      allow_virtual_time_to_advance_(true),
+      allow_hidden_timer_throttling_(allow_hidden_timer_throttling) {
   renderer_scheduler->AddWebViewScheduler(this);
 }
 
@@ -56,7 +58,8 @@ std::unique_ptr<WebFrameSchedulerImpl>
 WebViewSchedulerImpl::createWebFrameSchedulerImpl(
     base::trace_event::BlameContext* blame_context) {
   std::unique_ptr<WebFrameSchedulerImpl> frame_scheduler(
-      new WebFrameSchedulerImpl(renderer_scheduler_, this, blame_context));
+      new WebFrameSchedulerImpl(renderer_scheduler_, this, blame_context,
+                                allow_hidden_timer_throttling_));
   frame_scheduler->setPageVisible(page_visible_);
   frame_schedulers_.insert(frame_scheduler.get());
   return frame_scheduler;