Enable DumpAccessibilityTree tests to use cross-process iframes.

content/browser/accessibility/accessibility_tree_formatter_win.cc

 // 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.
 
 #include "content/browser/accessibility/accessibility_tree_formatter.h"
 
 #include <oleacc.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 219 matching lines @@
       ax_object->get_accKeyboardShortcut(variant_self, temp_bstr.Receive()))) {
     dict->SetString("keyboard_shortcut", base::string16(temp_bstr,
         temp_bstr.Length()));
   }
   temp_bstr.Reset();
 
   if (SUCCEEDED(ax_object->get_accHelp(variant_self, temp_bstr.Receive())))
     dict->SetString("help", base::string16(temp_bstr, temp_bstr.Length()));
   temp_bstr.Reset();
 
-  BrowserAccessibility* root = node.manager()->GetRoot();
+  BrowserAccessibility* root = node.manager()->GetRootManager()->GetRoot();
   LONG left, top, width, height;
   LONG root_left, root_top, root_width, root_height;
   if (SUCCEEDED(ax_object->accLocation(
           &left, &top, &width, &height, variant_self)) &&
       SUCCEEDED(root->ToBrowserAccessibilityWin()->accLocation(
           &root_left, &root_top, &root_width, &root_height, variant_self))) {
     base::DictionaryValue* location = new base::DictionaryValue;
     location->SetInteger("x", left - root_left);
     location->SetInteger("y", top - root_top);
     dict->Set("location", location);
@@ skipping 161 matching lines @@
 
 const std::string AccessibilityTreeFormatterWin::GetAllowString() {
   return "@WIN-ALLOW:";
 }
 
 const std::string AccessibilityTreeFormatterWin::GetDenyString() {
   return "@WIN-DENY:";
 }
 
 }  // namespace content