Rework the way Widget::Init works:

chrome/browser/ui/views/fullscreen_exit_bubble.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/fullscreen_exit_bubble.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "grit/generated_resources.h"
 #include "ui/base/animation/slide_animation.h"
@@ skipping 113 matching lines @@
   size_animation_->Reset(1);
 
   // Create the contents view.
   views::Accelerator accelerator(ui::VKEY_UNKNOWN, false, false, false);
   bool got_accelerator = frame->GetAccelerator(IDC_FULLSCREEN, &accelerator);
   DCHECK(got_accelerator);
   view_ = new FullscreenExitView(
       this, UTF16ToWideHack(accelerator.GetShortcutText()));
 
   // Initialize the popup.
+  popup_ = views::Widget::CreateWidget();
+  popup_->SetOpacity(static_cast<unsigned char>(0xff * kOpacity));
   views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_POPUP);
   params.transparent = true;
   params.can_activate = false;
   params.delete_on_destroy = false;
-  popup_ = views::Widget::CreateWidget(params);
-  popup_->SetOpacity(static_cast<unsigned char>(0xff * kOpacity));
-  popup_->Init(frame->GetNativeView(), GetPopupRect(false));
+  params.parent = frame->GetNativeView();
+  params.bounds = GetPopupRect(false);
+  popup_->Init(params);
   popup_->SetContentsView(view_);
   popup_->Show();  // This does not activate the popup.
 
   // Start the initial delay timer and begin watching the mouse.
   initial_delay_.Start(base::TimeDelta::FromMilliseconds(kInitialDelayMs), this,
                        &FullscreenExitBubble::CheckMousePosition);
   gfx::Point cursor_pos = views::Screen::GetCursorScreenPoint();
   last_mouse_pos_ = cursor_pos;
   views::View::ConvertPointToView(NULL, root_view_, &last_mouse_pos_);
   mouse_position_checker_.Start(
@@ skipping 101 matching lines @@
   }
   // NOTE: don't use the bounds of the root_view_. On linux changing window
   // size is async. Instead we use the size of the screen.
   gfx::Rect screen_bounds = views::Screen::GetMonitorAreaNearestWindow(
       root_view_->GetWidget()->GetNativeView());
   gfx::Point origin(screen_bounds.x() +
                     (screen_bounds.width() - size.width()) / 2,
                     screen_bounds.y());
   return gfx::Rect(origin, size);
 }