Fix a few lingering bugs in BrowserAccessibilityManager and BrowserAccessibilityCocoa.

content/browser/accessibility/browser_accessibility_manager.h

 // Copyright (c) 2011 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_H_
 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 35 matching lines @@
 class BrowserAccessibilityManager {
  public:
   // Creates the platform specific BrowserAccessibilityManager. Ownership passes
   // to the caller.
   static BrowserAccessibilityManager* Create(
     gfx::NativeView parent_view,
     const WebAccessibility& src,
     BrowserAccessibilityDelegate* delegate,
     BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());
 
+  // Creates the platform specific BrowserAccessibilityManager. Ownership passes
+  // to the caller.
+  static BrowserAccessibilityManager* CreateEmptyDocument(
+    gfx::NativeView parent_view,
+    WebAccessibility::State state,
+    BrowserAccessibilityDelegate* delegate,
+    BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory());
+
   virtual ~BrowserAccessibilityManager();
 
   // Type is a ViewHostMsg_AccessibilityNotification_Params::int.
   // We pass it as int so that we don't include the render message declaration
   // header here.
   virtual void NotifyAccessibilityEvent(
       int type,
       BrowserAccessibility* node) { }
 
   // Returns the next unique child id.
@@ skipping 102 matching lines @@
   // we use internally here.
   base::hash_map<int32, int32> renderer_id_to_child_id_map_;
 
   // A mapping from child IDs to BrowserAccessibility objects.
   base::hash_map<int32, BrowserAccessibility*> child_id_map_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManager);
 };
 
 #endif  // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_