app_mode: Add runtime.onRestartRequired event.

chrome/browser/chromeos/app_mode/kiosk_app_update_service.h

Index: chrome/browser/chromeos/app_mode/kiosk_app_update_service.h
diff --git a/chrome/browser/chromeos/app_mode/kiosk_app_update_service.h b/chrome/browser/chromeos/app_mode/kiosk_app_update_service.h
index 7421a81a3db7655eee6cfa31f968f293e3fc9446..2c60701bb81ce6f56f657150f4a19a944956368d 100644
--- a/chrome/browser/chromeos/app_mode/kiosk_app_update_service.h
+++ b/chrome/browser/chromeos/app_mode/kiosk_app_update_service.h
@@ -11,6 +11,7 @@
 #include "base/compiler_specific.h"
 #include "base/memory/singleton.h"
 #include "base/timer.h"
+#include "chrome/browser/chromeos/system/automatic_reboot_manager_observer.h"
 #include "chrome/browser/extensions/update_observer.h"
 #include "components/browser_context_keyed_service/browser_context_keyed_service.h"
 #include "components/browser_context_keyed_service/browser_context_keyed_service_factory.h"
@@ -21,7 +22,8 @@ namespace chromeos {
 
 // This class enforces automatic restart on app and Chrome updates in app mode.
 class KioskAppUpdateService : public BrowserContextKeyedService,
-                              public extensions::UpdateObserver {
+                              public extensions::UpdateObserver,
+                              public system::AutomaticRebootManagerObserver {
  public:
   explicit KioskAppUpdateService(Profile* profile);
   virtual ~KioskAppUpdateService();
@@ -33,14 +35,16 @@ class KioskAppUpdateService : public BrowserContextKeyedService,
   void StartRestartTimer();
   void ForceRestart();
 
+  // BrowserContextKeyedService overrides:
+  virtual void Shutdown() OVERRIDE;
+
   // extensions::UpdateObserver overrides:
   virtual void OnAppUpdateAvailable(const std::string& app_id) OVERRIDE;
   virtual void OnChromeUpdateAvailable() OVERRIDE {}
 
-  // BrowserContextKeyedService overrides:
-  virtual void Shutdown() OVERRIDE;
+  // system::AutomaticRebootManagerObserver overrides:
+  virtual void OnRebootScheduled(Reason reason) OVERRIDE;
 
- private:
   Profile* profile_;
   std::string app_id_;