Factor out uses of the WebContentsModalDialog interface from platform-independent code

chrome/browser/ui/webui/constrained_web_dialog_delegate_base.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 "chrome/browser/ui/webui/constrained_web_dialog_delegate_base.h"
 
 #include <string>
 
 #include "chrome/browser/ui/web_contents_modal_dialog.h"
 #include "chrome/browser/ui/webui/chrome_web_contents_handler.h"
 #include "content/public/browser/web_contents.h"
 #include "ipc/ipc_message.h"
 #include "ui/web_dialogs/web_dialog_delegate.h"
 #include "ui/web_dialogs/web_dialog_ui.h"
 
 using content::NativeWebKeyboardEvent;
 using content::WebContents;
 using ui::WebDialogDelegate;
 using ui::WebDialogWebContentsDelegate;
 
 ConstrainedWebDialogDelegateBase::ConstrainedWebDialogDelegateBase(
     content::BrowserContext* browser_context,
     WebDialogDelegate* delegate,
     WebDialogWebContentsDelegate* tab_delegate)
     : WebDialogWebContentsDelegate(browser_context,
                                    new ChromeWebContentsHandler),
       web_dialog_delegate_(delegate),
-      window_(NULL),
       closed_via_webui_(false),
       release_contents_on_close_(false) {
   CHECK(delegate);
   web_contents_.reset(
       WebContents::Create(WebContents::CreateParams(browser_context)));
   if (tab_delegate) {
     override_tab_delegate_.reset(tab_delegate);
     web_contents_->SetDelegate(tab_delegate);
   } else {
     web_contents_->SetDelegate(this);
@@ skipping 17 matching lines @@
   return web_dialog_delegate_.get();
 }
 
 WebDialogDelegate*
     ConstrainedWebDialogDelegateBase::GetWebDialogDelegate() {
   return web_dialog_delegate_.get();
 }
 
 void ConstrainedWebDialogDelegateBase::OnDialogCloseFromWebUI() {
   closed_via_webui_ = true;
-  window_->CloseWebContentsModalDialog();
-}
-
-void ConstrainedWebDialogDelegateBase::set_window(
-    WebContentsModalDialog* window) {
-  window_ = window;
+  CloseContents(web_contents_.get());
 }
 
 bool ConstrainedWebDialogDelegateBase::closed_via_webui() const {
   return closed_via_webui_;
 }
 
 void ConstrainedWebDialogDelegateBase::ReleaseWebContentsOnDialogClose() {
   release_contents_on_close_ = true;
 }
 
-WebContentsModalDialog* ConstrainedWebDialogDelegateBase::GetWindow() {
-  return window_;
+NativeWebContentsModalDialog
+    ConstrainedWebDialogDelegateBase::GetNativeDialog() {
+  NOTREACHED();
+  return NULL;
 }
 
 WebContents* ConstrainedWebDialogDelegateBase::GetWebContents() {
   return web_contents_.get();
 }
 
 void ConstrainedWebDialogDelegateBase::HandleKeyboardEvent(
     content::WebContents* source,
     const NativeWebKeyboardEvent& event) {
 }