Large Cursor: Add the toggle menuitem to a11y menu in uber tray

ash/test/test_shell_delegate.h

Index: ash/test/test_shell_delegate.h
diff --git a/ash/test/test_shell_delegate.h b/ash/test/test_shell_delegate.h
index c8b290626754080b89777b108b03c85f857f7cd4..b8a618bcf69b17d01271345b041aa5874b591786 100644
--- a/ash/test/test_shell_delegate.h
+++ b/ash/test/test_shell_delegate.h
@@ -57,6 +57,8 @@ class TestShellDelegate : public ShellDelegate {
   virtual void SetMagnifierType(MagnifierType type) OVERRIDE;
   virtual bool IsMagnifierEnabled() const OVERRIDE;
   virtual MagnifierType GetMagnifierType() const OVERRIDE;
+  virtual void SetLargeCursorEnabled(bool enabled) OVERRIDE;
+  virtual bool IsLargeCursorEnabled() const OVERRIDE;
   virtual bool ShouldAlwaysShowAccessibilityMenu() const OVERRIDE;
   virtual void SilenceSpokenFeedback() const OVERRIDE;
   virtual app_list::AppListViewDelegate* CreateAppListViewDelegate() OVERRIDE;
@@ -90,6 +92,7 @@ class TestShellDelegate : public ShellDelegate {
   bool high_contrast_enabled_;
   bool screen_magnifier_enabled_;
   MagnifierType screen_magnifier_type_;
+  bool large_cursor_enabled_;
   int num_exit_requests_;
   bool multi_profiles_enabled_;