[Android] Suspend shared timers for hidden renderers

content/child/child_thread_impl.cc

Index: content/child/child_thread_impl.cc
diff --git a/content/child/child_thread_impl.cc b/content/child/child_thread_impl.cc
index e720fa4869dd600377d2ae6cee0305923cd7f05b..8f0d93c67c36a9dbc2261ee635b734c0143e15ea 100644
--- a/content/child/child_thread_impl.cc
+++ b/content/child/child_thread_impl.cc
@@ -660,6 +660,14 @@ bool ChildThreadImpl::OnControlMessageReceived(const IPC::Message& msg) {
   return false;
 }
 
+void ChildThreadImpl::OnProcessBackgrounded(bool backgrounded) {
+  // Set timer slack to maximum on main thread when in background.
+  base::TimerSlack timer_slack = base::TIMER_SLACK_NONE;
+  if (backgrounded)
+    timer_slack = base::TIMER_SLACK_MAXIMUM;
+  base::MessageLoop::current()->SetTimerSlack(timer_slack);
+}
+
 void ChildThreadImpl::OnShutdown() {
   base::MessageLoop::current()->Quit();
 }
@@ -738,12 +746,4 @@ bool ChildThreadImpl::IsInBrowserProcess() const {
   return browser_process_io_runner_;
 }
 
-void ChildThreadImpl::OnProcessBackgrounded(bool background) {
-  // Set timer slack to maximum on main thread when in background.
-  base::TimerSlack timer_slack = base::TIMER_SLACK_NONE;
-  if (background)
-    timer_slack = base::TIMER_SLACK_MAXIMUM;
-  base::MessageLoop::current()->SetTimerSlack(timer_slack);
-}
-
 }  // namespace content