Allow tasks scheduled for the instant virtual time budges expires to run

third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc

Index: third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
diff --git a/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc b/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
index f6b97061560020aeb42b1cecdba85c84b35f1335..73141792934ddb7bb960d7856067b3fc2e94f410 100644
--- a/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
+++ b/third_party/WebKit/Source/platform/scheduler/renderer/web_view_scheduler_impl.cc
@@ -191,11 +191,11 @@ void WebViewSchedulerImpl::DisableVirtualTimeForTesting() {
 void WebViewSchedulerImpl::ApplyVirtualTimePolicyToTimers() {
   if (!virtual_time_ || allow_virtual_time_to_advance_) {

[altimin, 2017/05/31 11:44:06]

This part is slightly hard to follow. Maybe something like that can work better:

bool timers_should_be_suspended = virtual_time_ &&
!allow_virtual_time_to_advance_;
if (timers_suspended_ != timers_should_be_suspended) {
  
if (timers_should_be_suspended) {
     renderer_scheduler_->InsertTimerFence();
  } else {
     renderer_scheduler_->RemoveTimerFence();
  }
  timers_suspended_ = timers_should_be_suspended;
}

[alex clarke (OOO till 29th), 2017/05/31 15:11:36]

I've done something similar.

     if (timers_suspended_) {
-      renderer_scheduler_->ResumeTimerQueue();
+      renderer_scheduler_->RemoveTimerFence();
       timers_suspended_ = false;
     }
   } else if (!timers_suspended_) {
-    renderer_scheduler_->SuspendTimerQueue();
+    renderer_scheduler_->InsertTimerFence();
     timers_suspended_ = true;
   }
 }