Reland: Implement features in NativeViewHostAura for scroll end effect

ui/views/controls/native/native_view_host_win.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_win.h"
 
 #include <oleacc.h>
 
 #include "base/logging.h"
 #include "ui/base/win/hidden_window.h"
@@ skipping 14 matching lines @@
 NativeViewHostWin::NativeViewHostWin(NativeViewHost* host)
     : host_(host),
       installed_clip_(false) {
 }
 
 NativeViewHostWin::~NativeViewHostWin() {
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeViewHostWin, NativeViewHostWrapper implementation:
-void NativeViewHostWin::NativeViewWillAttach() {
+void NativeViewHostWin::AttachNativeView() {
   // First hide the new window. We don't want anything to draw (like sub-hwnd
-  // borders), when NativeViewHost changes the parent.
+  // borders), when the parent changes.
   ShowWindow(host_->native_view(), SW_HIDE);
+
+  Widget::ReparentNativeView(host_->native_view(),
+                             host_->GetWidget()->GetNativeView());
+
 }
 
 void NativeViewHostWin::NativeViewDetaching(bool destroyed) {
   if (!destroyed) {
     if (installed_clip_)
       UninstallClip();
     Widget::ReparentNativeView(host_->native_view(), ui::GetHiddenWindow());
   }
   installed_clip_ = false;
 }
@@ skipping 99 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // NativeViewHostWrapper, public:
 
 // static
 NativeViewHostWrapper* NativeViewHostWrapper::CreateWrapper(
     NativeViewHost* host) {
   return new NativeViewHostWin(host);
 }
 
 }  // namespace views