Move Chrome terminating notification out of //apps

apps/app_lifetime_monitor.cc

Index: apps/app_lifetime_monitor.cc
diff --git a/apps/app_lifetime_monitor.cc b/apps/app_lifetime_monitor.cc
index 637c90916cdbbdbdb07d8056234d4b030913528d..1edaa3b469fba791f4a45675b3d94d219cce8dfa 100644
--- a/apps/app_lifetime_monitor.cc
+++ b/apps/app_lifetime_monitor.cc
@@ -4,7 +4,6 @@
 
 #include "apps/app_lifetime_monitor.h"
 
-#include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
@@ -28,9 +27,6 @@ AppLifetimeMonitor::AppLifetimeMonitor(Profile* profile)
   registrar_.Add(this,
                  extensions::NOTIFICATION_EXTENSION_HOST_DESTROYED,
                  content::NotificationService::AllSources());
-  registrar_.Add(
-      this, chrome::NOTIFICATION_APP_TERMINATING,
-      content::NotificationService::AllSources());
 
   AppWindowRegistry* app_window_registry =
       AppWindowRegistry::Factory::GetForBrowserContext(profile_,
@@ -72,11 +68,6 @@ void AppLifetimeMonitor::Observe(int type,
       NotifyAppStop(extension->id());
       break;
     }
-
-    case chrome::NOTIFICATION_APP_TERMINATING: {
-      NotifyChromeTerminating();
-      break;
-    }
   }
 }
 
@@ -144,9 +135,4 @@ void AppLifetimeMonitor::NotifyAppStop(const std::string& app_id) {
     observer.OnAppStop(profile_, app_id);
 }
 
-void AppLifetimeMonitor::NotifyChromeTerminating() {
-  for (auto& observer : observers_)
-    observer.OnChromeTerminating();
-}
-
 }  // namespace apps