A11y: Introduce High Contrast Mode and Screen Magnifier to ubar tray.

chrome/browser/ui/ash/chrome_shell_delegate.h

Index: chrome/browser/ui/ash/chrome_shell_delegate.h
diff --git a/chrome/browser/ui/ash/chrome_shell_delegate.h b/chrome/browser/ui/ash/chrome_shell_delegate.h
index aeaeb8ac6db78961a55cca66e533290637dcdb90..a9252b38b0a94e36d2638ebfb34fc570b35a86be 100644
--- a/chrome/browser/ui/ash/chrome_shell_delegate.h
+++ b/chrome/browser/ui/ash/chrome_shell_delegate.h
@@ -56,8 +56,13 @@ class ChromeShellDelegate : public ash::ShellDelegate,
   virtual void ShowKeyboardOverlay() OVERRIDE;
   virtual void ShowTaskManager() OVERRIDE;
   virtual content::BrowserContext* GetCurrentBrowserContext() OVERRIDE;
-  virtual void ToggleSpokenFeedback() OVERRIDE;
+  virtual void ToggleHighContrast() OVERRIDE;
   virtual bool IsSpokenFeedbackEnabled() const OVERRIDE;
+  virtual void ToggleSpokenFeedback() OVERRIDE;
+  virtual bool IsHighContrastEnabled() const OVERRIDE;
+  virtual void SetScreenMagnifier(ash::MagnifierType type) OVERRIDE;
+  virtual ash::MagnifierType GetMagnifierType() const OVERRIDE;
+  virtual bool ShouldAlwaysShowAccessibilityMenu() const OVERRIDE;
   virtual app_list::AppListViewDelegate* CreateAppListViewDelegate() OVERRIDE;
   virtual ash::LauncherDelegate* CreateLauncherDelegate(
       ash::LauncherModel* model) OVERRIDE;