[Reland] Per WebViewScheduler virtual time

components/scheduler/renderer/webthread_impl_for_renderer_scheduler.cc

Index: components/scheduler/renderer/webthread_impl_for_renderer_scheduler.cc
diff --git a/components/scheduler/renderer/webthread_impl_for_renderer_scheduler.cc b/components/scheduler/renderer/webthread_impl_for_renderer_scheduler.cc
index f59e714cce3096c17712eaa7d037a0da0eb8e468..cc979f4017e6bf7da640e9b7a3bc130c641d6662 100644
--- a/components/scheduler/renderer/webthread_impl_for_renderer_scheduler.cc
+++ b/components/scheduler/renderer/webthread_impl_for_renderer_scheduler.cc
@@ -46,6 +46,15 @@ blink::WebTaskRunner* WebThreadImplForRendererScheduler::taskRunner() {
   return web_task_runner_.get();
 }
 
+double WebThreadImplForRendererScheduler::virtualTimeSeconds() {
+  return scheduler_->VirtualTimeSeconds();
+}
+
+double
+WebThreadImplForRendererScheduler::monotonicallyIncreasingVirtualTimeSeconds() {
+  return scheduler_->MonotonicallyIncreasingVirtualTimeSeconds();
+}
+
 void WebThreadImplForRendererScheduler::AddTaskObserverInternal(
     base::MessageLoop::TaskObserver* observer) {
   scheduler_->AddTaskObserver(observer);