Fire accessibility focus/blur events on root web document.

content/browser/accessibility/browser_accessibility_manager_win.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_WIN_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_
 
 #include <oleacc.h>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 28 matching lines @@
   void set_parent_iaccessible(IAccessible* parent_iaccessible) {
     parent_iaccessible_ = parent_iaccessible;
   }
 
   // Calls NotifyWinEvent if the parent window's IAccessible pointer is known.
   void MaybeCallNotifyWinEvent(DWORD event, LONG child_id);
 
   // BrowserAccessibilityManager methods
   virtual void AddNodeToMap(BrowserAccessibility* node);
   virtual void RemoveNode(BrowserAccessibility* node) OVERRIDE;
+  virtual void OnWindowFocused() OVERRIDE;
+  virtual void OnWindowBlurred() OVERRIDE;
   virtual void NotifyAccessibilityEvent(
       ui::AXEvent event_type, BrowserAccessibility* node) OVERRIDE;
 
   // Track this object and post a VISIBLE_DATA_CHANGED notification when
   // its container scrolls.
   // TODO(dmazzoni): remove once http://crbug.com/113483 is fixed.
   void TrackScrollingObject(BrowserAccessibilityWin* node);
 
   // Return a pointer to the object corresponding to the given windows-specific
   // unique id, does not make a new reference.
@@ skipping 23 matching lines @@
 
   // Owned by its parent; OnAccessibleHwndDeleted gets called upon deletion.
   LegacyRenderWidgetHostHWND* accessible_hwnd_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerWin);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_