Add a signal to the scheduler that a navigation is expected

content/test/fake_renderer_scheduler.cc

Index: content/test/fake_renderer_scheduler.cc
diff --git a/content/test/fake_renderer_scheduler.cc b/content/test/fake_renderer_scheduler.cc
index fd05d4b692328f14840379116af8b8a9281b144d..56a64aba17f79ccc0800c4d748dd50d4a8cbc491 100644
--- a/content/test/fake_renderer_scheduler.cc
+++ b/content/test/fake_renderer_scheduler.cc
@@ -82,7 +82,13 @@ void FakeRendererScheduler::OnRendererBackgrounded() {
 void FakeRendererScheduler::OnRendererForegrounded() {
 }
 
-void FakeRendererScheduler::OnPageLoadStarted() {
+void FakeRendererScheduler::AddPendingNavigation() {
+}
+
+void FakeRendererScheduler::RemovePendingNavigation() {
+}
+
+void FakeRendererScheduler::OnNavigationStarted() {
 }
 
 bool FakeRendererScheduler::ShouldYieldForHighPriorityWork() {