Rework the way Widget::Init works:

chrome/browser/ui/views/tab_contents/native_tab_contents_view_win.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_win.h"
 
 #include "chrome/browser/renderer_host/render_widget_host_view_win.h"
 #include "chrome/browser/tab_contents/web_drop_target_win.h"
 #include "chrome/browser/ui/views/tab_contents/tab_contents_drag_win.h"
 #include "chrome/browser/ui/views/tab_contents/native_tab_contents_view_delegate.h"
@@ skipping 12 matching lines @@
 //
 // It may be tempting to use GetDesktopWindow() instead, but this is
 // problematic as the shell sends messages to children of the desktop
 // window that interact poorly with us.
 //
 // See: http://crbug.com/16476
 HWND GetHiddenTabHostWindow() {
   static views::Widget* widget = NULL;
 
   if (!widget) {
+    widget = views::Widget::CreateWidget();
     views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_POPUP);
-    widget = views::Widget::CreateWidget(params);
-    widget->Init(NULL, gfx::Rect());
+    widget->Init(params);
     // If a background window requests focus, the hidden tab host will
     // be activated to focus the tab.  Use WS_DISABLED to prevent
     // this.
     EnableWindow(widget->GetNativeView(), FALSE);
   }
 
   return widget->GetNativeView();
 }
 
 }  // namespace
@@ skipping 19 matching lines @@
   delegate_->OnNativeTabContentsViewDraggingEnded();
   drag_handler_ = NULL;
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTabContentsViewWin, NativeTabContentsView implementation:
 
 void NativeTabContentsViewWin::InitNativeTabContentsView() {
   views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_CONTROL);
   params.delete_on_destroy = false;
-  SetCreateParams(params);
-  WidgetWin::Init(GetHiddenTabHostWindow(), gfx::Rect());
+  params.parent = GetHiddenTabHostWindow();
+  GetWidget()->Init(params);
 
   // Remove the root view drop target so we can register our own.
   RevokeDragDrop(GetNativeView());
   drop_target_ = new WebDropTarget(GetNativeView(),
                                    delegate_->GetTabContents());
 }
 
 void NativeTabContentsViewWin::Unparent() {
   // Remember who our FocusManager is, we won't be able to access it once
   // unparented.
@@ skipping 240 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTabContentsView, public:
 
 // static
 NativeTabContentsView* NativeTabContentsView::CreateNativeTabContentsView(
     internal::NativeTabContentsViewDelegate* delegate) {
   return new NativeTabContentsViewWin(delegate);
 }