Convert JavascriptAlertActivatesTab to browser_tests framework.

chrome/test/ui_test_utils.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/test/ui_test_utils.h"
 
 #include "base/json_reader.h"
 #include "base/message_loop.h"
 #include "base/path_service.h"
 #include "base/values.h"
@@ skipping 176 matching lines @@
   // The number of downloads to wait on completing.
   size_t wait_count_;
 
   // Whether an internal message loop has been started and must be quit upon
   // all downloads completing.
   bool waiting_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadsCompleteObserver);
 };
 
+// Used to block until an application modal dialog is shown.
+class AppModalDialogObserver : public NotificationObserver {
+ public:
+  AppModalDialogObserver() {}
+
+  AppModalDialog* WaitForAppModalDialog() {
+    registrar_.Add(this, NotificationType::APP_MODAL_DIALOG_SHOWN,
+                   NotificationService::AllSources());
+    dialog_ = NULL;
+    ui_test_utils::RunMessageLoop();
+    DCHECK(dialog_);
+    return dialog_;
+  }
+
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details) {
+    if (type == NotificationType::APP_MODAL_DIALOG_SHOWN) {
+      registrar_.Remove(this, NotificationType::APP_MODAL_DIALOG_SHOWN,
+                        NotificationService::AllSources());
+      dialog_ = Source<AppModalDialog>(source).ptr();
+      MessageLoopForUI::current()->Quit();
+    } else {
+      NOTREACHED();
+    }
+  }
+
+ private:
+  NotificationRegistrar registrar_;
+
+  AppModalDialog* dialog_;
+
+  DISALLOW_COPY_AND_ASSIGN(AppModalDialogObserver);
+};
+
 }  // namespace
 
 void RunMessageLoop() {
   MessageLoopForUI* loop = MessageLoopForUI::current();
   bool did_allow_task_nesting = loop->NestableTasksAllowed();
   loop->SetNestableTasksAllowed(true);
 #if defined (OS_WIN)
   views::AcceleratorHandler handler;
   loop->Run(&handler);
 #else
@@ skipping 116 matching lines @@
   PathService::Get(chrome::DIR_TEST_DATA, &path);
   path = path.Append(FilePath::FromWStringHack(dir));
   path = path.Append(FilePath::FromWStringHack(file));
   return net::FilePathToFileURL(path);
 }
 
 void WaitForDownloadCount(DownloadManager* download_manager, size_t count) {
   DownloadsCompleteObserver download_observer(download_manager, count);
 }
 
+AppModalDialog* WaitForAppModalDialog() {
+  AppModalDialogObserver observer;
+  return observer.WaitForAppModalDialog();
+}
+
 }  // namespace ui_test_utils