Update StickyKeys overlay to show or hide AltGr depending on the

chrome/browser/chromeos/accessibility/accessibility_manager.h

Index: chrome/browser/chromeos/accessibility/accessibility_manager.h
diff --git a/chrome/browser/chromeos/accessibility/accessibility_manager.h b/chrome/browser/chromeos/accessibility/accessibility_manager.h
index 41fb8bc40df0414afcf2a4e5190cd5dbea90104a..68e2c26e7267a412909eb164038516ba64b0c49d 100644
--- a/chrome/browser/chromeos/accessibility/accessibility_manager.h
+++ b/chrome/browser/chromeos/accessibility/accessibility_manager.h
@@ -15,6 +15,7 @@
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_util.h"
 #include "chrome/browser/extensions/api/braille_display_private/braille_controller.h"
+#include "chromeos/ime/input_method_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/event_router.h"
@@ -66,9 +67,11 @@ typedef AccessibilityStatusCallbackList::Subscription
 // AccessibilityManager changes the statuses of accessibility features
 // watching profile notifications and pref-changes.
 // TODO(yoshiki): merge MagnificationManager with AccessibilityManager.
-class AccessibilityManager : public content::NotificationObserver,
-    extensions::api::braille_display_private::BrailleObserver,
-    public ash::SessionStateObserver {
+class AccessibilityManager
+    : public content::NotificationObserver,
+      public extensions::api::braille_display_private::BrailleObserver,
+      public input_method::InputMethodManager::Observer,
+      public ash::SessionStateObserver {
  public:
   // Creates an instance of AccessibilityManager, this should be called once,
   // because only one instance should exist at the same time.
@@ -93,6 +96,8 @@ class AccessibilityManager : public content::NotificationObserver,
 
    private:
     const char* pref_path_;
+
+    DISALLOW_COPY_AND_ASSIGN(PrefHandler);
   };
 
   // Returns true when the accessibility menu should be shown.
@@ -205,7 +210,7 @@ class AccessibilityManager : public content::NotificationObserver,
 
   void UpdateChromeOSAccessibilityHistograms();
 
-  // content::NotificationObserver implementation:
+  // content::NotificationObserver
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
@@ -216,6 +221,11 @@ class AccessibilityManager : public content::NotificationObserver,
       const extensions::api::braille_display_private::DisplayState&
           display_state) OVERRIDE;
 
+  // InputMethodManager::Observer
+  virtual void InputMethodChanged(input_method::InputMethodManager* manager,
+                                  bool show_message) OVERRIDE;
+
+
   // Profile which has the current a11y context.
   Profile* profile_;