Fixes an issue where the MSAA information was not reported back correctly to ...

webkit/glue/webaccessibilitymanager_impl.h

 // Copyright (c) 2006-2008 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 WEBKIT_GLUE_WEBACCESSIBILITYMANAGER_IMPL_H_
 #define WEBKIT_GLUE_WEBACCESSIBILITYMANAGER_IMPL_H_
 
 #include "base/hash_tables.h"
 #include "webkit/glue/webaccessibilitymanager.h"
 
@@ skipping 17 matching lines @@
   // From WebAccessibilityManager.
   bool GetAccObjInfo(WebView* view, const WebAccessibility::InParams& in_params,
                      WebAccessibility::OutParams* out_params);
   bool ClearAccObjMap(int acc_obj_id, bool clear_all);
   int FocusAccObj(WebCore::AccessibilityObject* acc_obj);
 
  protected:
   // Needed so WebAccessibilityManager::Create can call our constructor.
   friend class WebAccessibilityManager;
 
+  // Constructor creates a new GlueAccessibilityObjectRoot, and initializes
+  // the root |acc_obj_id_| to 1000, to avoid conflicts with platform-specific
+  // child ids.
   WebAccessibilityManagerImpl();
   ~WebAccessibilityManagerImpl();
 
  private:
   // From WebAccessibilityManager.
   bool InitAccObjRoot(WebView* view);
 
   // Wrapper around the pointer that holds the root of the AccessibilityObject
   // tree, to allow the use of a scoped_refptr.
   struct GlueAccessibilityObjectRoot;
@@ skipping 15 matching lines @@
   // hashmaps. Id is always 0 for the root of the accessibility object
   // hierarchy (on a per-renderer process basis).
   int acc_obj_id_;
 
   DISALLOW_COPY_AND_ASSIGN(WebAccessibilityManagerImpl);
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_WEBACCESSIBILITYMANAGER_IMPL_H_