Fix crashes in EnterpriseEnrollmentScreenTest.TestCancel. This is independent of any tfarina-indu...

chrome/browser/ui/views/tab_contents/native_tab_contents_view_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 "chrome/browser/ui/views/tab_contents/native_tab_contents_view_gtk.h"
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/renderer_host/render_widget_host_view_gtk.h"
 #include "chrome/browser/tab_contents/web_drag_dest_gtk.h"
 #include "chrome/browser/ui/gtk/constrained_window_gtk.h"
@@ skipping 57 matching lines @@
     internal::NativeTabContentsViewDelegate* delegate)
     : views::NativeWidgetGtk(delegate->AsNativeWidgetDelegate()),
       delegate_(delegate),
       ignore_next_char_event_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(drag_source_(
           new TabContentsDragSource(delegate->GetTabContents()->view()))) {
 }
 
 NativeTabContentsViewGtk::~NativeTabContentsViewGtk() {
   delegate_ = NULL;
-  CloseNow();
 }
 
 void NativeTabContentsViewGtk::AttachConstrainedWindow(
     ConstrainedWindowGtk* constrained_window) {
   DCHECK(find(constrained_windows_.begin(), constrained_windows_.end(),
               constrained_window) == constrained_windows_.end());
 
   constrained_windows_.push_back(constrained_window);
   AddChild(constrained_window->widget());
 
@@ skipping 171 matching lines @@
 // NativeTabContentsView, public:
 
 // static
 NativeTabContentsView* NativeTabContentsView::CreateNativeTabContentsView(
     internal::NativeTabContentsViewDelegate* delegate) {
   if (views::Widget::IsPureViews())
     return new NativeTabContentsViewViews(delegate);
   return new NativeTabContentsViewGtk(delegate);
 }