Remove dependency on NotificationService for cros a11y settings.

chrome/browser/chromeos/accessibility/magnification_manager.cc

Index: chrome/browser/chromeos/accessibility/magnification_manager.cc
diff --git a/chrome/browser/chromeos/accessibility/magnification_manager.cc b/chrome/browser/chromeos/accessibility/magnification_manager.cc
index ffb3e9477b091d3f91d0570c506a958962e36da1..09d19af02648550b41b7ede8f0ac8969457e208b 100644
--- a/chrome/browser/chromeos/accessibility/magnification_manager.cc
+++ b/chrome/browser/chromeos/accessibility/magnification_manager.cc
@@ -194,11 +194,12 @@ class MagnificationManagerImpl : public MagnificationManager,
     }
 
     AccessibilityStatusEventDetails details(
-        enabled_, type_, ash::A11Y_NOTIFICATION_NONE);
-    content::NotificationService::current()->Notify(
-        chrome::NOTIFICATION_CROS_ACCESSIBILITY_TOGGLE_SCREEN_MAGNIFIER,
-        content::NotificationService::AllSources(),
-        content::Details<AccessibilityStatusEventDetails>(&details));
+        ACCESSIBILITY_TOGGLE_SCREEN_MAGNIFIER,
+        enabled_,
+        type_,
+        ash::A11Y_NOTIFICATION_NONE);
+
+    AccessibilityManager::Get()->NotifyAccessibilityStatusChanged(details);
 
 #if defined(OS_CHROMEOS)
     if (ash::Shell::GetInstance() && AccessibilityManager::Get()) {