Rework the way Widget::Init works:

chrome/browser/ui/views/autocomplete/autocomplete_popup_contents_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/autocomplete/autocomplete_popup_contents_view.h"
 
 #include "base/compiler_specific.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autocomplete/autocomplete_edit_view.h"
 #include "chrome/browser/autocomplete/autocomplete_popup_model.h"
@@ skipping 314 matching lines @@
   if (new_target_bounds.height() != target_bounds_.height())
     size_animation_.Reset();
   target_bounds_ = new_target_bounds;
 
   if (popup_ == NULL) {
     // If the popup is currently closed, we need to create it.
     popup_ = (new AutocompletePopupClass)->AsWeakPtr();
     views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_POPUP);
     params.can_activate = false;
     params.transparent = true;
-    popup_->SetCreateParams(params);
-    popup_->Init(location_bar_->GetWidget()->GetNativeView(), GetPopupBounds());
+    params.parent = location_bar_->GetWidget()->GetNativeView();
+    params.bounds = GetPopupBounds();
+    popup_->GetWidget()->Init(params);
     popup_->SetContentsView(this);
     popup_->MoveAbove(popup_->GetRelativeWindowForPopup(
         edit_view_->GetNativeView()));
     popup_->Show();
   } else {
     // Animate the popup shrinking, but don't animate growing larger since that
     // would make the popup feel less responsive.
     start_bounds_ = GetWidget()->GetWindowScreenBounds();
     if (target_bounds_.height() < start_bounds_.height())
       size_animation_.Show();
@@ skipping 328 matching lines @@
   opt_in_view_ = NULL;
   PromoCounter* counter = model_->profile()->GetInstantPromoCounter();
   DCHECK(counter);
   counter->Hide();
   if (opt_in) {
     browser::ShowInstantConfirmDialogIfNecessary(
         location_bar_->GetWindow()->GetNativeWindow(), model_->profile());
   }
   UpdatePopupAppearance();
 }