Port the render_view_host_manager_browsertest.cc to content_browsertests.

content/test/content_browser_test_utils.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 "content/test/content_browser_test_utils.h"
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
@@ skipping 46 matching lines @@
 void WaitForAppModalDialog(Shell* window) {
   ShellJavaScriptDialogCreator* dialog_creator =
       static_cast<ShellJavaScriptDialogCreator*>(
           window->GetJavaScriptDialogCreator());
 
   scoped_refptr<MessageLoopRunner> runner = new MessageLoopRunner();
   dialog_creator->set_dialog_request_callback(runner->QuitClosure());
   runner->Run();
 }
 
+ShellAddedObserver::ShellAddedObserver()
+    : shell_(NULL) {
+  Shell::SetShellCreatedCallback(
+      base::Bind(&ShellAddedObserver::ShellCreated, base::Unretained(this)));
+}
+
+ShellAddedObserver::~ShellAddedObserver() {
+}
+
+Shell* ShellAddedObserver::GetShell() {
+  if (shell_)
+    return shell_;
+
+  runner_ = new MessageLoopRunner();
+  runner_->Run();
+  return shell_;
+}
+
+void ShellAddedObserver::ShellCreated(Shell* shell) {
+  DCHECK(!shell_);
+  shell_ = shell;
+  if (runner_)
+    runner_->QuitClosure().Run();
+}
+
 }  // namespace content