Rework the way Widget::Init works:

chrome/browser/ui/views/frame/contents_container.cc

Index: chrome/browser/ui/views/frame/contents_container.cc
===================================================================
--- chrome/browser/ui/views/frame/contents_container.cc	(revision 83020)
+++ chrome/browser/ui/views/frame/contents_container.cc	(working copy)
@@ -152,15 +152,17 @@
 
 void ContentsContainer::CreateOverlay(int initial_opacity) {
   DCHECK(!active_overlay_);
-  views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_POPUP);
-  params.transparent = true;
-  params.accept_events = false;
-  active_overlay_ = views::Widget::CreateWidget(params);
+  active_overlay_ = views::Widget::CreateWidget();
   active_overlay_->SetOpacity(initial_opacity);
   gfx::Point screen_origin;
   views::View::ConvertPointToScreen(active_, &screen_origin);
   gfx::Rect overlay_bounds(screen_origin, active_->size());
-  active_overlay_->Init(active_->GetWidget()->GetNativeView(), overlay_bounds);
+  views::Widget::CreateParams params(views::Widget::CreateParams::TYPE_POPUP);
+  params.transparent = true;
+  params.accept_events = false;
+  params.parent = active_->GetWidget()->GetNativeView();
+  params.bounds = overlay_bounds;
+  active_overlay_->Init(params);
   overlay_view_ = new OverlayContentView(this);
   overlay_view_->set_background(
       views::Background::CreateSolidBackground(SK_ColorWHITE));