Use a uniform opaque type to represent web contents modal dialogs

chrome/browser/ui/web_contents_modal_dialog_manager.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/web_contents_modal_dialog_manager.h"
 
 #include "chrome/browser/ui/web_contents_modal_dialog.h"
 #include "chrome/browser/ui/web_contents_modal_dialog_manager_delegate.h"
 #include "chrome/common/render_messages.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 
 using content::WebContents;
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(WebContentsModalDialogManager);
 
 WebContentsModalDialogManager::~WebContentsModalDialogManager() {
   DCHECK(child_dialogs_.empty());
 }
 
 void WebContentsModalDialogManager::AddDialog(
     WebContentsModalDialog* dialog) {
   child_dialogs_.push_back(dialog);
 
   if (native_manager_)
-    native_manager_->ManageDialog(dialog->GetNativeWindow());
+    native_manager_->ManageDialog(dialog->GetNativeDialog());
 
   if (child_dialogs_.size() == 1) {
     dialog->ShowWebContentsModalDialog();
     BlockWebContentsInteraction(true);
   }
 }
 
 void WebContentsModalDialogManager::WillClose(WebContentsModalDialog* dialog) {
   WebContentsModalDialogList::iterator i(
       std::find(child_dialogs_.begin(), child_dialogs_.end(), dialog));
@@ skipping 78 matching lines @@
   }
 }
 
 void WebContentsModalDialogManager::WebContentsDestroyed(WebContents* tab) {
   // First cleanly close all child dialogs.
   // TODO(mpcomplete): handle case if MaybeCloseChildWindows() already asked
   // some of these to close.  CloseAllDialogs is async, so it might get called
   // twice before it runs.
   CloseAllDialogs();
 }