Make web content accessibility tree a descendant of main window's tree again

views/controls/native/native_view_host_wrapper.h

 // Copyright (c) 2010 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.
 
 #ifndef VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_WRAPPER_H_
 #define VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_WRAPPER_H_
 #pragma once
 
+#include "ui/gfx/native_widget_types.h"
+
 namespace views {
 
 class NativeViewHost;
 
 // An interface that implemented by an object that wraps a gfx::NativeView on
 // a specific platform, used to perform platform specific operations on that
 // native view when attached, detached, moved and sized.
 class NativeViewHostWrapper {
  public:
   virtual ~NativeViewHostWrapper() {}
@@ skipping 30 matching lines @@
   // native view).
   virtual void ShowWidget(int x, int y, int w, int h) = 0;
 
   // Hides the gfx::NativeView. NOTE: this may be invoked when the native view
   // is already hidden.
   virtual void HideWidget() = 0;
 
   // Sets focus to the gfx::NativeView.
   virtual void SetFocus() = 0;
 
+  // Return the native view accessible corresponding to the wrapped native
+  // view.
+  virtual gfx::NativeViewAccessible GetNativeViewAccessible() = 0;
+
   // Creates a platform-specific instance of an object implementing this
   // interface.
   static NativeViewHostWrapper* CreateWrapper(NativeViewHost* host);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_NATIVE_NATIVE_VIEW_HOST_WRAPPER_H_