Customize user details in ash system bubble for public account mode

ash/system/tray/test_system_tray_delegate.h

Index: ash/system/tray/test_system_tray_delegate.h
diff --git a/ash/system/tray/test_system_tray_delegate.h b/ash/system/tray/test_system_tray_delegate.h
index a49b3076e3e45f904346e4ae0ea5a190bd0334a6..a3f9920cde5671f791cc8116fc4f0b5a65bb1789 100644
--- a/ash/system/tray/test_system_tray_delegate.h
+++ b/ash/system/tray/test_system_tray_delegate.h
@@ -29,6 +29,7 @@ class TestSystemTrayDelegate : public SystemTrayDelegate {
   virtual const std::string GetUserEmail() const OVERRIDE;
   virtual const gfx::ImageSkia& GetUserImage() const OVERRIDE;
   virtual user::LoginStatus GetUserLoginStatus() const OVERRIDE;
+  virtual const std::string GetEnterpriseDomain() const OVERRIDE;
   virtual bool SystemShouldUpgrade() const OVERRIDE;
   virtual base::HourClockType GetHourClockType() const OVERRIDE;
   virtual PowerSupplyStatus GetPowerSupplyStatus() const OVERRIDE;
@@ -41,6 +42,7 @@ class TestSystemTrayDelegate : public SystemTrayDelegate {
   virtual void ShowDriveSettings() OVERRIDE;
   virtual void ShowIMESettings() OVERRIDE;
   virtual void ShowHelp() OVERRIDE;
+  virtual void ShowPublicAccountInfo() OVERRIDE;
   virtual void ShutDown() OVERRIDE;
   virtual void SignOut() OVERRIDE;
   virtual void RequestLockScreen() OVERRIDE;