A11y: Introduce High Contrast Mode and Screen Magnifier to ubar 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 b8f3ead91a5fe18392658ff1e937ca1f329453aa..4e8ff872cb11f8df1a4fa3060f6145c7c1aee787 100644
--- a/ash/test/test_shell_delegate.h
+++ b/ash/test/test_shell_delegate.h
@@ -42,6 +42,11 @@ class TestShellDelegate : public ShellDelegate {
   virtual content::BrowserContext* GetCurrentBrowserContext() OVERRIDE;
   virtual void ToggleSpokenFeedback() OVERRIDE;
   virtual bool IsSpokenFeedbackEnabled() const OVERRIDE;
+  virtual void ToggleHighContrast() OVERRIDE;
+  virtual bool IsHighContrastEnabled() const OVERRIDE;
+  virtual void SetScreenMagnifier(const MagnifierType type) OVERRIDE;
+  virtual MagnifierType GetMagnifierType() const OVERRIDE;
+  virtual bool ShouldAlwaysShowAccessibilityMenu() const OVERRIDE;
   virtual app_list::AppListViewDelegate* CreateAppListViewDelegate() OVERRIDE;
   virtual LauncherDelegate* CreateLauncherDelegate(
       ash::LauncherModel* model) OVERRIDE;
@@ -85,6 +90,8 @@ class TestShellDelegate : public ShellDelegate {
   bool locked_;
   bool session_started_;
   bool spoken_feedback_enabled_;
+  bool high_contrast_enabled_;
+  MagnifierType screen_magnifier_type_;
   bool user_logged_in_;
   bool can_lock_screen_;
   int num_exit_requests_;