Add resize support for Views new style dialogs.

ui/views/window/dialog_delegate.cc

 // Copyright (c) 2012 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 "ui/views/window/dialog_delegate.h"
 
 #include "base/logging.h"
 #include "grit/ui_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/ui_base_switches_util.h"
@@ skipping 170 matching lines @@
                                             color));
   }
   frame->SetTitle(widget->widget_delegate()->GetWindowTitle());
   DialogDelegate* delegate = widget->widget_delegate()->AsDialogDelegate();
   if (delegate) {
     View* titlebar_view = delegate->CreateTitlebarExtraView();
     if (titlebar_view)
       frame->SetTitlebarExtraView(titlebar_view);
   }
   frame->SetShowCloseButton(widget->widget_delegate()->ShouldShowCloseButton());
-  frame->set_can_drag(true);
   if (force_opaque_border)
     widget->set_frame_type(views::Widget::FRAME_TYPE_FORCE_CUSTOM);
   return frame;
 }
 
 const DialogClientView* DialogDelegate::GetDialogClientView() const {
   return GetWidget()->client_view()->AsDialogClientView();
 }
 
 DialogClientView* DialogDelegate::GetDialogClientView() {
@@ skipping 24 matching lines @@
 
 const Widget* DialogDelegateView::GetWidget() const {
   return View::GetWidget();
 }
 
 View* DialogDelegateView::GetContentsView() {
   return this;
 }
 
 }  // namespace views