[Android] Suspend shared timers for hidden renderers

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 94960dd830dd708b85217c3d919b8875947093c5..3bccea82e4f84928be5b49c47dc744a41498ee21 100644
--- a/content/test/fake_renderer_scheduler.cc
+++ b/content/test/fake_renderer_scheduler.cc
@@ -66,6 +66,12 @@ void FakeRendererScheduler::OnRendererHidden() {
 void FakeRendererScheduler::OnRendererVisible() {
 }
 
+void FakeRendererScheduler::OnRendererBackgrounded() {
+}
+
+void FakeRendererScheduler::OnRendererForegrounded() {
+}
+
 void FakeRendererScheduler::OnPageLoadStarted() {
 }