Converts accNavigate over to the AXPlatformNode code.

content/browser/accessibility/browser_accessibility_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/browser_accessibility_win.h"
+#include "content/browser/accessibility/browser_accessibility_manager.h"
 
 #include "ui/base/win/atl_module.h"
 
 namespace content {
 
 // static
 BrowserAccessibility* BrowserAccessibility::Create() {
   return new BrowserAccessibilityWin();
 }
 
@@ skipping 37 matching lines @@
 base::string16 BrowserAccessibilityWin::GetText() const {
   if (PlatformIsChildOfLeaf())
     return BrowserAccessibility::GetText();
   return GetCOM()->win_attributes_->hypertext;
 }
 
 gfx::NativeViewAccessible BrowserAccessibilityWin::GetNativeViewAccessible() {
   return GetCOM();
 }
 
+ui::AXPlatformNode* BrowserAccessibilityWin::GetFromNodeID(int32_t id) {
+  if (!instance_active())
+    return nullptr;
+
+  BrowserAccessibility* accessibility = manager_->GetFromID(id);
+  if (!accessibility)
+    return nullptr;
+
+  auto* accessibility_win = ToBrowserAccessibilityWin(accessibility);
+  return accessibility_win->GetCOM();
+}
+
 BrowserAccessibilityComWin* BrowserAccessibilityWin::GetCOM() const {
   DCHECK(browser_accessibility_com_);
   return browser_accessibility_com_;
 }
 
 BrowserAccessibilityWin* ToBrowserAccessibilityWin(BrowserAccessibility* obj) {
   DCHECK(!obj || obj->IsNative());
   return static_cast<BrowserAccessibilityWin*>(obj);
 }
 
 const BrowserAccessibilityWin*
 ToBrowserAccessibilityWin(const BrowserAccessibility* obj) {
   DCHECK(!obj || obj->IsNative());
   return static_cast<const BrowserAccessibilityWin*>(obj);
 }
 
 }  // namespace content