Componentize app_modal_dialog

components/app_modal_dialogs/app_modal_dialog.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/app_modal_dialogs/app_modal_dialog.h"
+#include "components/app_modal_dialogs/app_modal_dialog.h"
 
 #include "base/logging.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/ui/app_modal_dialogs/app_modal_dialog_queue.h"
-#include "chrome/browser/ui/app_modal_dialogs/native_app_modal_dialog.h"
-#include "content/public/browser/notification_service.h"
+#include "base/run_loop.h"
+#include "components/app_modal_dialogs/app_modal_dialog_queue.h"
+#include "components/app_modal_dialogs/native_app_modal_dialog.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 
 using content::WebContents;
 
+namespace {
+
+AppModalDialogWaiter* waiter_ = NULL;
+
+}  // namespace
+
+AppModalDialogWaiter::AppModalDialogWaiter() {
+  DCHECK(!waiter_);
+  waiter_ = this;
+}
+
+AppModalDialogWaiter::~AppModalDialogWaiter() {
+  DCHECK(waiter_);
+  waiter_ = NULL;
+}
+
 AppModalDialog::AppModalDialog(WebContents* web_contents,
                                const base::string16& title)
     : title_(title),
       completed_(false),
       valid_(true),
       native_dialog_(NULL),
       web_contents_(web_contents) {
 }
 
 AppModalDialog::~AppModalDialog() {
   CompleteDialog();
 }
 
 void AppModalDialog::ShowModalDialog() {
   web_contents_->GetDelegate()->ActivateContents(web_contents_);
   CreateAndShowDialog();
-
-  content::NotificationService::current()->Notify(
-      chrome::NOTIFICATION_APP_MODAL_DIALOG_SHOWN,
-      content::Source<AppModalDialog>(this),
-      content::NotificationService::NoDetails());
+  if (waiter_)
+    waiter_->Notify(this);
 }
 
 void AppModalDialog::CreateAndShowDialog() {
   native_dialog_ = CreateNativeDialog();
   native_dialog_->ShowAppModalDialog();
 }
 
 bool AppModalDialog::IsValid() {
   return valid_;
 }
@@ skipping 15 matching lines @@
   DCHECK(native_dialog_);
   native_dialog_->CloseAppModalDialog();
 }
 
 void AppModalDialog::CompleteDialog() {
   if (!completed_) {
     completed_ = true;
     AppModalDialogQueue::GetInstance()->ShowNextDialog();
   }
 }