[cros] Add Ctrl+Alt+E shortcut to Welcome/EULA screen that cancels update and starts with enrollment

chrome/browser/chromeos/login/mock_screen_observer.h

Index: chrome/browser/chromeos/login/mock_screen_observer.h
diff --git a/chrome/browser/chromeos/login/mock_screen_observer.h b/chrome/browser/chromeos/login/mock_screen_observer.h
index 9c2718a812c431c459360a237b95c4fd19fd89f8..98d960d530a2d513e3ab05b6fe7b9ce85e131e4a 100644
--- a/chrome/browser/chromeos/login/mock_screen_observer.h
+++ b/chrome/browser/chromeos/login/mock_screen_observer.h
@@ -22,10 +22,11 @@ class MockScreenObserver : public ScreenObserver {
 
   MOCK_METHOD1(OnExit, void(ExitCodes));
   MOCK_METHOD0(ShowCurrentScreen, void());
+  MOCK_METHOD0(SkipUpdateEnrollAfterEula, void());
   MOCK_METHOD2(OnSetUserNamePassword,
                void(const std::string&, const std::string&));
-  MOCK_METHOD1(set_usage_statistics_reporting, void(bool));
-  MOCK_CONST_METHOD0(usage_statistics_reporting, bool());
+  MOCK_METHOD1(SetUsageStatisticsReporting, void(bool));
+  MOCK_CONST_METHOD0(GetUsageStatisticsReporting, bool());
 };
 
 }  // namespace chromeos