Rework the way Widget::Init works:

chrome/browser/ui/views/tabs/tab_strip.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/tabs/tab_strip.h"
 
 #include <algorithm>
 
 #include "base/compiler_specific.h"
 #include "base/stl_util-inl.h"
@@ skipping 842 matching lines @@
 
 // TabStrip::DropInfo ----------------------------------------------------------
 
 TabStrip::DropInfo::DropInfo(int drop_index, bool drop_before, bool point_down)
     : drop_index(drop_index),
       drop_before(drop_before),
       point_down(point_down) {
   arrow_view = new views::ImageView;
   arrow_view->SetImage(GetDropArrowImage(point_down));
 
+  arrow_window = views::Widget::CreateWidget();
   views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_POPUP);
   params.keep_on_top = true;
   params.transparent = true;
   params.accept_events = false;
   params.can_activate = false;
-  arrow_window = views::Widget::CreateWidget(params);
-  arrow_window->Init(
-      NULL,
-      gfx::Rect(0, 0, drop_indicator_width, drop_indicator_height));
+  params.bounds = gfx::Rect(drop_indicator_width, drop_indicator_height);
+  arrow_window->Init(params);
   arrow_window->SetContentsView(arrow_view);
 }
 
 TabStrip::DropInfo::~DropInfo() {
   // Close eventually deletes the window, which deletes arrow_view too.
   arrow_window->Close();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
@@ skipping 139 matching lines @@
 int TabStrip::GetAvailableWidthForTabs(Tab* last_tab) const {
   return last_tab->x() + last_tab->width();
 }
 
 bool TabStrip::IsPointInTab(Tab* tab,
                             const gfx::Point& point_in_tabstrip_coords) {
   gfx::Point point_in_tab_coords(point_in_tabstrip_coords);
   View::ConvertPointToView(this, tab, &point_in_tab_coords);
   return tab->HitTest(point_in_tab_coords);
 }