Use Blink accessibility enums in Chromium

content/browser/accessibility/browser_accessibility_manager_gtk.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_GTK_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_GTK_H_
 
 #include "content/browser/accessibility/browser_accessibility_manager.h"
 
 struct ViewHostMsg_AccessibilityNotification_Params;
 
 namespace content {
 class BrowserAccessibilityGtk;
 
 // Manages a tree of BrowserAccessibilityGtk objects.
 class CONTENT_EXPORT BrowserAccessibilityManagerGtk
     : public BrowserAccessibilityManager {
  public:
   BrowserAccessibilityManagerGtk(
       GtkWidget* parent_widget,
       const AccessibilityNodeData& src,
       BrowserAccessibilityDelegate* delegate,
       BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());
 
   virtual ~BrowserAccessibilityManagerGtk();
 
   static AccessibilityNodeData GetEmptyDocument();
 
   // BrowserAccessibilityManager methods
-  virtual void NotifyAccessibilityEvent(int type, BrowserAccessibility* node)
-      OVERRIDE;
+  virtual void NotifyAccessibilityEvent(
+      WebKit::WebAXEvent event_type, BrowserAccessibility* node) OVERRIDE;
 
   GtkWidget* parent_widget() { return parent_widget_; }
 
  private:
   void RecursivelySendChildrenChanged(BrowserAccessibilityGtk* node);
 
   GtkWidget* parent_widget_;
 
   // Give BrowserAccessibilityManager::Create access to our constructor.
   friend class BrowserAccessibilityManager;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerGtk);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_GTK_H_