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 f96c370381e3a992703b4984e7119da5262290a7..5b657829a256dc51c102ac2bc87ba2be47852b68 100644
--- a/ash/test/test_shell_delegate.h
+++ b/ash/test/test_shell_delegate.h
@@ -41,6 +41,11 @@ 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 ScreenMagnifierType type) OVERRIDE;
+  virtual ScreenMagnifierType GetScreenMagnifierType() const OVERRIDE;
+  virtual bool AlwaysShowAccessibilityMenu() const OVERRIDE;
   virtual app_list::AppListViewDelegate* CreateAppListViewDelegate() OVERRIDE;
   virtual LauncherDelegate* CreateLauncherDelegate(
       ash::LauncherModel* model) OVERRIDE;
@@ -80,6 +85,8 @@ class TestShellDelegate : public ShellDelegate {
   bool locked_;
   bool session_started_;
   bool spoken_feedback_enabled_;
+  bool high_contrast_enabled_;
+  ScreenMagnifierType screen_magnifier_type_;
   bool user_logged_in_;
   int num_exit_requests_;