Rework the way Widget::Init works:

views/controls/tabbed_pane/native_tabbed_pane_gtk.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 "views/controls/tabbed_pane/native_tabbed_pane_gtk.h"
 
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
 #include "base/stl_util-inl.h"
@@ skipping 136 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTabbedPaneGtk, private:
 void NativeTabbedPaneGtk::DoAddTabAtIndex(int index,
                                           const std::wstring& title,
                                           View* contents,
                                           bool select_if_first_tab) {
   int tab_count = GetTabCount();
   DCHECK(index <= tab_count);
 
-  Widget* page_container = Widget::CreateWidget(
+  Widget* page_container = Widget::CreateWidget();
+  page_container->Init(
       Widget::CreateParams(Widget::CreateParams::TYPE_CONTROL));
-  page_container->Init(NULL, gfx::Rect());
   page_container->SetContentsView(contents);
   page_container->SetFocusTraversableParent(GetWidget()->GetFocusTraversable());
   page_container->SetFocusTraversableParentView(this);
   page_container->Show();
 
   if (!contents->background()) {
     GtkStyle* window_style =
         gtk_widget_get_style(page_container->GetNativeView());
     contents->set_background(
         Background::CreateSolidBackground(
@@ skipping 58 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // NativeTabbedPaneWrapper, public:
 
 // static
 NativeTabbedPaneWrapper* NativeTabbedPaneWrapper::CreateNativeWrapper(
     TabbedPane* tabbed_pane) {
   return new NativeTabbedPaneGtk(tabbed_pane);
 }
 
 }  // namespace views