Converts accNavigate over to the AXPlatformNode code.

content/browser/accessibility/browser_accessibility_win.cc

Index: content/browser/accessibility/browser_accessibility_win.cc
diff --git a/content/browser/accessibility/browser_accessibility_win.cc b/content/browser/accessibility/browser_accessibility_win.cc
index 5ee4d2e6eb53083b3ae6501188986016170aad4a..7e9341c5e0baf26a9175dd035ef43868e3d4d754 100644
--- a/content/browser/accessibility/browser_accessibility_win.cc
+++ b/content/browser/accessibility/browser_accessibility_win.cc
@@ -3,6 +3,7 @@
 // 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"
 
@@ -60,6 +61,18 @@ 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_;