Remove [SG]etParentNativeViewAccessible

content/browser/frame_host/render_frame_host_delegate.cc

 // Copyright 2013 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 <stddef.h>
 
 #include "base/callback.h"
 #include "base/strings/string16.h"
 #include "build/build_config.h"
 #include "content/browser/frame_host/render_frame_host_delegate.h"
@@ skipping 70 matching lines @@
     RenderFrameHost* target_rfh,
     SiteInstance* source_site_instance) const {
   return false;
 }
 
 scoped_ptr<WebUIImpl> RenderFrameHostDelegate::CreateWebUIForRenderFrameHost(
     const GURL& url) {
   return nullptr;
 }
 
-#if defined(OS_WIN)
-gfx::NativeViewAccessible
-    RenderFrameHostDelegate::GetParentNativeViewAccessible() {
-  return NULL;
-}
-#endif  // defined(OS_WIN)
-
 }  // namespace content