Use Blink accessibility enums in Chromium

content/browser/accessibility/browser_accessibility_manager_win.h

Index: content/browser/accessibility/browser_accessibility_manager_win.h
diff --git a/content/browser/accessibility/browser_accessibility_manager_win.h b/content/browser/accessibility/browser_accessibility_manager_win.h
index 7aec2e1c5e9ea728836c965ec258a49dd44f1b9e..7857f68a76e312ba76f97f25dc6973be528d172d 100644
--- a/content/browser/accessibility/browser_accessibility_manager_win.h
+++ b/content/browser/accessibility/browser_accessibility_manager_win.h
@@ -43,8 +43,8 @@ class CONTENT_EXPORT BrowserAccessibilityManagerWin
   // BrowserAccessibilityManager methods
   virtual void AddNodeToMap(BrowserAccessibility* node);
   virtual void RemoveNode(BrowserAccessibility* node) OVERRIDE;
-  virtual void NotifyAccessibilityEvent(int type, BrowserAccessibility* node)
-      OVERRIDE;
+  virtual void NotifyAccessibilityEvent(
+      WebKit::WebAXEvent event_type, BrowserAccessibility* node) OVERRIDE;
 
   // Track this object and post a VISIBLE_DATA_CHANGED notification when
   // its container scrolls.