Rework the way Widget::Init works:

chrome/browser/ui/views/dropdown_bar_host.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/dropdown_bar_host.h"
 
 #include <algorithm>
 
 #include "chrome/browser/ui/view_ids.h"
 #include "chrome/browser/ui/views/dropdown_bar_view.h"
@@ skipping 36 matching lines @@
       animation_offset_(0),
       focus_manager_(NULL),
       esc_accel_target_registered_(false),
       is_visible_(false) {
 }
 
 void DropdownBarHost::Init(DropdownBarView* view) {
   view_ = view;
 
   // Initialize the host.
-  host_.reset(CreateHost());
-  host_->InitWithWidget(browser_view_->GetWidget(), gfx::Rect());
+  host_.reset(views::Widget::CreateWidget());
+  views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_CONTROL);
+  params.delete_on_destroy = false;
+  params.parent_widget = browser_view_->GetWidget();
+  host_->Init(params);
   host_->SetContentsView(view_);
 
   // Start listening to focus changes, so we can register and unregister our
   // own handler for Escape.
   focus_manager_ =
       views::FocusManager::GetFocusManagerForNativeView(host_->GetNativeView());
   if (focus_manager_) {
     focus_manager_->AddFocusChangeListener(this);
   } else {
     // In some cases (see bug http://crbug.com/17056) it seems we may not have
@@ skipping 243 matching lines @@
   focus_manager_->RegisterAccelerator(escape, this);
   esc_accel_target_registered_ = true;
 }
 
 void DropdownBarHost::UnregisterAccelerators() {
   DCHECK(esc_accel_target_registered_);
   views::Accelerator escape(ui::VKEY_ESCAPE, false, false, false);
   focus_manager_->UnregisterAccelerator(escape, this);
   esc_accel_target_registered_ = false;
 }