Tracking push events for lucid sleep

extensions/browser/extension_host.cc

Index: extensions/browser/extension_host.cc
diff --git a/extensions/browser/extension_host.cc b/extensions/browser/extension_host.cc
index e4bc35e0b64edbd8c6723e991b56a9b30c198797..81296c5d9c6ffa42dcf38ed6d13958e0c7c28696 100644
--- a/extensions/browser/extension_host.cc
+++ b/extensions/browser/extension_host.cc
@@ -353,10 +353,15 @@ void ExtensionHost::OnRequest(const ExtensionHostMsg_Request_Params& params) {
   extension_function_dispatcher_.Dispatch(params, render_view_host());
 }
 
-void ExtensionHost::OnEventAck() {
+void ExtensionHost::OnEventAck(int message_id) {
   EventRouter* router = EventRouter::Get(browser_context_);
   if (router)
     router->OnEventAck(browser_context_, extension_id());
+
+  content::NotificationService::current()->Notify(
+      NOTIFICATION_EXTENSION_MESSAGE_ACKED,
+      content::Source<content::BrowserContext>(browser_context_),
+      content::Details<int>(&message_id));
 }
 
 void ExtensionHost::OnIncrementLazyKeepaliveCount() {