Fix a few issues with Chrome-in-Views-Desktop:

chrome/browser/ui/views/tab_contents/native_tab_contents_view_views.cc

 // Copyright (c) 2011 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 "chrome/browser/ui/views/tab_contents/native_tab_contents_view_views.h"
 
 #include "chrome/browser/renderer_host/render_widget_host_view_views.h"
 #include "chrome/browser/ui/views/tab_contents/native_tab_contents_view_delegate.h"
 #include "content/browser/tab_contents/tab_contents.h"
 #include "content/browser/tab_contents/tab_contents_view.h"
@@ skipping 18 matching lines @@
 // NativeTabContentsViewViews, NativeTabContentsView implementation:
 
 void NativeTabContentsViewViews::InitNativeTabContentsView() {
   views::Widget::InitParams params(views::Widget::InitParams::TYPE_CONTROL);
   params.native_widget = this;
   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   GetWidget()->Init(params);
 }
 
 void NativeTabContentsViewViews::Unparent() {
-  // Note that we do not DCHECK on focus_manager_ as it may be NULL when used
-  // with an external tab container.
-  views::Widget::ReparentNativeView(GetNativeView(), NULL);
 }
 
 RenderWidgetHostView* NativeTabContentsViewViews::CreateRenderWidgetHostView(
     RenderWidgetHost* render_widget_host) {
   RenderWidgetHostViewViews* view =
       new RenderWidgetHostViewViews(render_widget_host);
   GetWidget()->SetContentsView(view);
   view->Show();
   view->InitAsChild();
   // TODO(anicolao): implement drag'n'drop hooks if needed
@@ skipping 27 matching lines @@
 }
 
 void NativeTabContentsViewViews::SetDragCursor(
     WebKit::WebDragOperation operation) {
   NOTIMPLEMENTED();
 }
 
 views::NativeWidget* NativeTabContentsViewViews::AsNativeWidget() {
   return this;
 }