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

chrome/browser/chromeos/accessibility/accessibility_util.h

Index: chrome/browser/chromeos/accessibility/accessibility_util.h
diff --git a/chrome/browser/chromeos/accessibility/accessibility_util.h b/chrome/browser/chromeos/accessibility/accessibility_util.h
index 87c814874f542f055f7f5eb6a0c3afa879ceaabf..bfada23293c1622da61f25e829a78c5393ed3052 100644
--- a/chrome/browser/chromeos/accessibility/accessibility_util.h
+++ b/chrome/browser/chromeos/accessibility/accessibility_util.h
@@ -6,6 +6,9 @@
 #define CHROME_BROWSER_CHROMEOS_ACCESSIBILITY_ACCESSIBILITY_UTIL_H_
 
 #include <string>
+#include "ash/magnifier/magnifier_constants.h"
+
+class Browser;
 
 namespace content {
 class WebUI;
@@ -23,14 +26,8 @@ void EnableSpokenFeedback(bool enabled, content::WebUI* login_web_ui);
 // Enable or disable the high contrast mode for Chrome.
 void EnableHighContrast(bool enabled);
 
-enum ScreenMagnifierType {
-  MAGNIFIER_OFF,
-  MAGNIFIER_FULL,
-  MAGNIFIER_PARTIAL,
-};
-
 // Set the type of screen magnifier, or disable it.
-void SetScreenMagnifier(ScreenMagnifierType type);
+void SetScreenMagnifier(ash::ScreenMagnifierType type);
 
 // Enable or disable the virtual keyboard.
 void EnableVirtualKeyboard(bool enabled);
@@ -49,17 +46,20 @@ bool IsSpokenFeedbackEnabled();
 bool IsHighContrastEnabled();
 
 // Returns the current state of the screen magnifier.
-ScreenMagnifierType GetScreenMagnifierType();
+ash::ScreenMagnifierType GetScreenMagnifierType();
 
 // Translates from a string to ScreenMagnifierType.
-ScreenMagnifierType ScreenMagnifierTypeFromName(const char type_name[]);
+ash::ScreenMagnifierType ScreenMagnifierTypeFromName(const char type_name[]);
 
 // Translates from a ScreenMagnifierType to type string.
-const char* ScreenMagnifierNameFromType(ScreenMagnifierType type);
+const char* ScreenMagnifierNameFromType(ash::ScreenMagnifierType type);
 
 // Speak the given text if the accessibility pref is already set.
 void MaybeSpeak(const std::string& utterance);
 
+// Show the accessibility help tab on the browser.
+void ShowAccessibilityHelp(Browser* browser);
+
 }  // namespace accessibility
 }  // namespace chromeos