Display "Restart to update" dialog to Chrome OS users.

chrome/browser/ui/ash/system_tray_delegate_chromeos.h

Index: chrome/browser/ui/ash/system_tray_delegate_chromeos.h
diff --git a/chrome/browser/ui/ash/system_tray_delegate_chromeos.h b/chrome/browser/ui/ash/system_tray_delegate_chromeos.h
index ddb870f4be3b87af1f9f9edd3c0824a666f88782..62b8612c8a1e5d870a2d53dc475663d491b4016f 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_chromeos.h
+++ b/chrome/browser/ui/ash/system_tray_delegate_chromeos.h
@@ -125,6 +125,9 @@ class SystemTrayDelegateChromeOS
 
   void UserChangedChildStatus(user_manager::User* user) override;
 
+  static SystemTrayDelegateChromeOS* Get();

[James Cook, 2016/11/17 00:43:43]

put this at the top, near the constructor

[Greg K, 2016/11/30 19:30:30]

Done.

+  void SetFlashUpdateAvailable();

[James Cook, 2016/11/17 00:43:43]

function comment please

[Greg K, 2016/11/30 19:30:30]

Done.

+
  private:
   ash::SystemTrayNotifier* GetSystemTrayNotifier();
 
@@ -237,6 +240,7 @@ class SystemTrayDelegateChromeOS
   std::string enterprise_realm_;
   bool should_run_bluetooth_discovery_ = false;
   bool session_started_ = false;
+  bool flash_update_available_ = false;
 
   scoped_refptr<device::BluetoothAdapter> bluetooth_adapter_;
   std::unique_ptr<device::BluetoothDiscoverySession>