Implement NativeViewHostAura::InstallClip.

ui/views/controls/native/native_view_host.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 "ui/views/controls/native/native_view_host.h"
 
 #include "base/logging.h"
 #include "ui/base/cursor/cursor.h"
 #include "ui/gfx/canvas.h"
 #include "ui/views/accessibility/native_view_accessibility.h"
@@ skipping 20 matching lines @@
 }
 
 void NativeViewHost::Attach(gfx::NativeView native_view) {
   DCHECK(native_view);
   DCHECK(!native_view_);
   native_view_ = native_view;
   // If set_focus_view() has not been invoked, this view is the one that should
   // be seen as focused when the native view receives focus.
   if (!focus_view_)
     focus_view_ = this;
-  native_wrapper_->NativeViewWillAttach();
-  Widget::ReparentNativeView(native_view_, GetWidget()->GetNativeView());
+  native_wrapper_->AttachNativeView();
   Layout();
 
   Widget* widget = Widget::GetWidgetForNativeView(native_view);
   if (widget)
     widget->SetNativeWindowProperty(kWidgetNativeViewHostKey, this);
 }
 
 void NativeViewHost::Detach() {
   Detach(false);
 }
@@ skipping 162 matching lines @@
   Widget::Widgets widgets;
   Widget::GetAllChildWidgets(native_view(), &widgets);
   for (Widget::Widgets::iterator i = widgets.begin(); i != widgets.end(); ++i) {
     focus_manager->ViewRemoved((*i)->GetRootView());
     if (!focus_manager->GetFocusedView())
       return;
   }
 }
 
 }  // namespace views