Rework the way Widget::Init works:

chrome/browser/ui/views/notifications/balloon_view.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/notifications/balloon_view.h"
 
 #include <vector>
 
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
@@ skipping 298 matching lines @@
   // but the child windows don't render).
   //
   // We carefully keep these two windows in sync to present the illusion of
   // one window to the user.
   //
   // We don't let the OS manage the RTL layout of these widgets, because
   // this code is already taking care of correctly reversing the layout.
   gfx::Rect contents_rect = GetContentsRectangle();
   html_contents_.reset(new BalloonViewHost(balloon));
   html_contents_->SetPreferredSize(gfx::Size(10000, 10000));
+  html_container_ = Widget::CreateWidget();
+  html_container_->SetAlwaysOnTop(true);
   Widget::CreateParams params(Widget::CreateParams::TYPE_POPUP);
-  params.mirror_origin_in_rtl = false;
-  html_container_ = Widget::CreateWidget(params);
-  html_container_->SetAlwaysOnTop(true);
-  html_container_->Init(NULL, contents_rect);
+  params.bounds = contents_rect;
+  html_container_->Init(params);
   html_container_->SetContentsView(html_contents_->view());
 
   gfx::Rect balloon_rect(x(), y(), GetTotalWidth(), GetTotalHeight());
-  params.transparent = true;
-  frame_container_ = Widget::CreateWidget(params);
+  frame_container_ = Widget::CreateWidget();
   frame_container_->set_widget_delegate(this);
   frame_container_->SetAlwaysOnTop(true);
-  frame_container_->Init(NULL, balloon_rect);
+  params.transparent = true;
+  params.bounds = balloon_rect;
+  frame_container_->Init(params);
   frame_container_->SetContentsView(this);
   frame_container_->MoveAboveWidget(html_container_);
 
   close_button_->SetImage(views::CustomButton::BS_NORMAL,
                           rb.GetBitmapNamed(IDR_TAB_CLOSE));
   close_button_->SetImage(views::CustomButton::BS_HOT,
                           rb.GetBitmapNamed(IDR_TAB_CLOSE_H));
   close_button_->SetImage(views::CustomButton::BS_PUSHED,
                           rb.GetBitmapNamed(IDR_TAB_CLOSE_P));
   close_button_->SetBoundsRect(GetCloseButtonBounds());
@@ skipping 155 matching lines @@
     NOTREACHED();
     return;
   }
 
   // If the renderer process attached to this balloon is disconnected
   // (e.g., because of a crash), we want to close the balloon.
   notification_registrar_.Remove(this,
       NotificationType::NOTIFY_BALLOON_DISCONNECTED, Source<Balloon>(balloon_));
   Close(false);
 }