Add a signal to the scheduler that a navigation is expected

components/scheduler/renderer/renderer_web_scheduler_impl.cc

Index: components/scheduler/renderer/renderer_web_scheduler_impl.cc
diff --git a/components/scheduler/renderer/renderer_web_scheduler_impl.cc b/components/scheduler/renderer/renderer_web_scheduler_impl.cc
index c833b7005c8ca51922b47dd7c697811637f97051..ff89399220e8746bdbb0fc5344d8bc6e7509e411 100644
--- a/components/scheduler/renderer/renderer_web_scheduler_impl.cc
+++ b/components/scheduler/renderer/renderer_web_scheduler_impl.cc
@@ -29,4 +29,12 @@ void RendererWebSchedulerImpl::resumeTimerQueue() {
   renderer_scheduler_->ResumeTimerQueue();
 }
 
+void RendererWebSchedulerImpl::navigationExpected() {
+  renderer_scheduler_->OnNavigationExpected();
+}
+
+void RendererWebSchedulerImpl::navigationCanceled() {
+  renderer_scheduler_->OnNavigationCanceled();
+}
+
 }  // namespace scheduler