[Reland] Per WebViewScheduler virtual time

components/scheduler/renderer/renderer_scheduler_impl.cc

Index: components/scheduler/renderer/renderer_scheduler_impl.cc
diff --git a/components/scheduler/renderer/renderer_scheduler_impl.cc b/components/scheduler/renderer/renderer_scheduler_impl.cc
index 2ea3db6a4f9c7c11eb93500324fb6962bbb66275..1881013bd42fe2fc600aa4c4b813b4c9a168f646 100644
--- a/components/scheduler/renderer/renderer_scheduler_impl.cc
+++ b/components/scheduler/renderer/renderer_scheduler_impl.cc
@@ -1130,12 +1130,21 @@ void RendererSchedulerImpl::ResetForNavigationLocked() {
   UpdatePolicyLocked(UpdateType::MAY_EARLY_OUT_IF_POLICY_UNCHANGED);
 }
 
-double RendererSchedulerImpl::CurrentTimeSeconds() const {
-  return helper_.scheduler_tqm_delegate()->CurrentTimeSeconds();
+double RendererSchedulerImpl::VirtualTimeSeconds() const {
+  TaskQueue* current_tq = helper_.CurrentSelectedTaskQueue();
+  base::TimeTicks now = current_tq
+                            ? current_tq->GetTimeDomain()->Now()
+                            : helper_.scheduler_tqm_delegate()->NowTicks();
+  return (now - base::TimeTicks::UnixEpoch()).InSecondsF();
 }
 
-double RendererSchedulerImpl::MonotonicallyIncreasingTimeSeconds() const {
-  return helper_.scheduler_tqm_delegate()->NowTicks().ToInternalValue() /
+double RendererSchedulerImpl::MonotonicallyIncreasingVirtualTimeSeconds()
+    const {
+  TaskQueue* current_tq = helper_.CurrentSelectedTaskQueue();
+  base::TimeTicks now = current_tq
+                            ? current_tq->GetTimeDomain()->Now()
+                            : helper_.scheduler_tqm_delegate()->NowTicks();
+  return now.ToInternalValue() /
          static_cast<double>(base::Time::kMicrosecondsPerSecond);
 }