Make AppWindowWaiter a common test support

chrome/browser/chromeos/login/test/app_window_waiter.cc

Index: chrome/browser/chromeos/login/test/app_window_waiter.cc
diff --git a/chrome/browser/chromeos/login/test/app_window_waiter.cc b/chrome/browser/chromeos/login/test/app_window_waiter.cc
deleted file mode 100644
index 0308b7d2b598fbe5f887d9b50065924997f3f224..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/login/test/app_window_waiter.cc
+++ /dev/null
@@ -1,66 +0,0 @@
-// Copyright 2014 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/chromeos/login/test/app_window_waiter.h"
-
-#include "extensions/browser/app_window/app_window.h"
-
-namespace chromeos {
-
-AppWindowWaiter::AppWindowWaiter(extensions::AppWindowRegistry* registry,
-                                 const std::string& app_id)
-    : registry_(registry), app_id_(app_id) {
-  registry_->AddObserver(this);
-}
-
-AppWindowWaiter::~AppWindowWaiter() {
-  registry_->RemoveObserver(this);
-}
-
-extensions::AppWindow* AppWindowWaiter::Wait() {
-  window_ = registry_->GetCurrentAppWindowForApp(app_id_);
-  if (window_)
-    return window_;
-
-  wait_type_ = WAIT_FOR_ADDED;
-  run_loop_.reset(new base::RunLoop);
-  run_loop_->Run();
-
-  return window_;
-}
-
-extensions::AppWindow* AppWindowWaiter::WaitForShown() {
-  window_ = registry_->GetCurrentAppWindowForApp(app_id_);
-  if (window_ && !window_->is_hidden())
-    return window_;
-
-  wait_type_ = WAIT_FOR_SHOWN;
-  run_loop_.reset(new base::RunLoop);
-  run_loop_->Run();
-
-  return window_;
-}
-
-void AppWindowWaiter::OnAppWindowAdded(extensions::AppWindow* app_window) {
-  if (wait_type_ != WAIT_FOR_ADDED || !run_loop_ || !run_loop_->running())
-    return;
-
-  if (app_window->extension_id() == app_id_) {
-    window_ = app_window;
-    run_loop_->Quit();
-  }
-}
-
-void AppWindowWaiter::OnAppWindowShown(extensions::AppWindow* app_window,
-                                       bool was_hidden) {
-  if (wait_type_ != WAIT_FOR_SHOWN || !run_loop_ || !run_loop_->running())
-    return;
-
-  if (app_window->extension_id() == app_id_) {
-    window_ = app_window;
-    run_loop_->Quit();
-  }
-}
-
-}  // namespace chromeos