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..d0537a21e48c86d03f01950b351032c65bcab08c 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
@@ -100,7 +100,7 @@ WebViewSchedulerImpl::WebViewSchedulerImpl(
       should_throttle_frames_(false),
       disable_background_timer_throttling_(disable_background_timer_throttling),
       allow_virtual_time_to_advance_(true),
-      timers_suspended_(false),
+      virtual_time_paused_(false),
       have_seen_loading_task_(false),
       virtual_time_(false),
       is_audio_playing_(false),
@@ -189,15 +189,17 @@ void WebViewSchedulerImpl::DisableVirtualTimeForTesting() {
 }
 
 void WebViewSchedulerImpl::ApplyVirtualTimePolicyToTimers() {
-  if (!virtual_time_ || allow_virtual_time_to_advance_) {
-    if (timers_suspended_) {
-      renderer_scheduler_->ResumeTimerQueue();
-      timers_suspended_ = false;
-    }
-  } else if (!timers_suspended_) {
-    renderer_scheduler_->SuspendTimerQueue();
-    timers_suspended_ = true;
+  bool virtual_time_should_be_paused =
+      virtual_time_ && !allow_virtual_time_to_advance_;
+  if (virtual_time_should_be_paused == virtual_time_paused_)
+    return;
+
+  if (virtual_time_should_be_paused) {
+    renderer_scheduler_->VirtualTimePaused();
+  } else {
+    renderer_scheduler_->VirtualTimeResumed();
   }
+  virtual_time_paused_ = virtual_time_should_be_paused;
 }
 
 void WebViewSchedulerImpl::SetAllowVirtualTimeToAdvance(