Rework the way Widget::Init works:

chrome/browser/chromeos/panels/panel_scroller.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/chromeos/panels/panel_scroller.h"
 
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/stl_util-inl.h"
 #include "base/string_util.h"
@@ skipping 62 matching lines @@
   AddChildView(panels_[3]->header);
   AddChildView(panels_[4]->header);
 }
 
 PanelScroller::~PanelScroller() {
   STLDeleteContainerPointers(panels_.begin(), panels_.end());
 }
 
 // static
 PanelScroller* PanelScroller::CreateWindow() {
-  views::Widget* widget = views::Widget::CreateWidget(
-      views::Widget::CreateParams(views::Widget::CreateParams::TYPE_WINDOW));
-  widget->Init(NULL, gfx::Rect(0, 0, 100, 800));
+  views::Widget* widget = views::Widget::CreateWidget();
+  views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_WINDOW);
+  params.bounds = gfx::Rect(0, 0, 100, 800);
+  widget->Init(params);
 
   PanelScroller* scroller = new PanelScroller();
   widget->SetContentsView(scroller);
 
   widget->Show();
 
   return scroller;
 }
 
 void PanelScroller::ViewHierarchyChanged(bool is_add,
@@ skipping 139 matching lines @@
 }
 
 void PanelScroller::AnimationProgressed(const ui::Animation* animation) {
   scroll_pos_ = static_cast<int>(
       static_cast<double>(animated_scroll_end_ - animated_scroll_begin_) *
       animation_.GetCurrentValue()) + animated_scroll_begin_;
 
   Layout();
   SchedulePaint();
 }