Fix two crashers with TOOLKIT_VIEWS build:...

chrome/browser/views/tab_contents/tab_contents_view_gtk.cc

 // Copyright (c) 2009 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/views/tab_contents/tab_contents_view_gtk.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
 #include "base/string_util.h"
@@ skipping 78 matching lines @@
   return new TabContentsViewGtk(tab_contents);
 }
 
 TabContentsViewGtk::TabContentsViewGtk(TabContents* tab_contents)
     : TabContentsView(tab_contents),
       views::WidgetGtk(TYPE_CHILD),
       ignore_next_char_event_(false) {
 }
 
 TabContentsViewGtk::~TabContentsViewGtk() {
+  // Just deleting the object doesn't destroy the GtkWidget. We need to do that
+  // manually, and synchronously, since subsequent signal handlers may expect
+  // to locate this object.
+  CloseNow();
 }
 
 void TabContentsViewGtk::CreateView() {
   set_delete_on_destroy(false);
   WidgetGtk::Init(NULL, gfx::Rect());
 }
 
 RenderWidgetHostView* TabContentsViewGtk::CreateViewForWidget(
     RenderWidgetHost* render_widget_host) {
   if (render_widget_host->view()) {
@@ skipping 207 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BlockedPopupContainerViewGtk);
 };
 
 // static
 BlockedPopupContainerView* BlockedPopupContainerView::Create(
     BlockedPopupContainer* container) {
   return new BlockedPopupContainerViewGtk;
 }