Fix race in BrowserAccessibilityManagerWin creation.

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index db9332aa16be65f1d89fb3da2cca12cfae54b885..b678435f0a98fc77953a72d9426e1a04de835336 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -2015,17 +2015,14 @@ void RenderWidgetHostImpl::AccessibilityFatalError() {
 }
 
 #if defined(OS_WIN)
-void RenderWidgetHostImpl::SetParentNativeViewAccessible(
-    gfx::NativeViewAccessible accessible_parent) {
-  if (view_)
-    view_->SetParentNativeViewAccessible(accessible_parent);
+HWND RenderWidgetHostImpl::GetAccessibleParentHWND() const {
+  return view_->GetAccessibleParentHWND();
 }
 
-gfx::NativeViewAccessible
-RenderWidgetHostImpl::GetParentNativeViewAccessible() const {
-  return delegate_->GetParentNativeViewAccessible();
+IAccessible* RenderWidgetHostImpl::GetParentIAccessible() const {
+  return view_->GetParentIAccessible();
 }
-#endif
+#endif  // defined(OS_WIN)
 
 void RenderWidgetHostImpl::ExecuteEditCommand(const std::string& command,
                                               const std::string& value) {