Split ExtensionTestObserver and move to //extensions.

chrome/browser/extensions/extension_test_notification_observer.h

-// Copyright 2013 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.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_TEST_NOTIFICATION_OBSERVER_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTENSION_TEST_NOTIFICATION_OBSERVER_H_
-
-#include <string>
-
-#include "base/callback.h"
-#include "base/compiler_specific.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/location_bar/location_bar.h"
-#include "content/public/browser/notification_details.h"
-#include "content/public/browser/notification_observer.h"
-#include "content/public/browser/notification_types.h"
-
-namespace content {
-class WindowedNotificationObserver;
-}
-
-// Test helper class for observing extension-related events.
-class ExtensionTestNotificationObserver
-    : public content::NotificationObserver,
-      public extensions::ExtensionActionAPI::Observer {
- public:
-  explicit ExtensionTestNotificationObserver(Browser* browser);
-  ~ExtensionTestNotificationObserver() override;
-
-  // Wait for the number of visible page actions to change to |count|.
-  bool WaitForPageActionVisibilityChangeTo(int count);
-
-  // Wait for an extension install error to be raised. Returns true if an
-  // error was raised.
-  bool WaitForExtensionInstallError();
-
-  // Waits until an extension is loaded and all view have loaded.
-  void WaitForExtensionAndViewLoad();
-
-  // Waits until an extension is loaded.
-  void WaitForExtensionLoad();
-
-  // Waits for an extension load error. Returns true if the error really
-  // happened.
-  bool WaitForExtensionLoadError();
-
-  // Wait for the specified extension to crash. Returns true if it really
-  // crashed.
-  bool WaitForExtensionCrash(const std::string& extension_id);
-
-  // Wait for the crx installer to be done. Returns true if it really is done.
-  bool WaitForCrxInstallerDone();
-
-  // Wait for all extension views to load.
-  bool WaitForExtensionViewsToLoad();
-
-  // Wait for extension to be idle.
-  bool WaitForExtensionIdle(const std::string& extension_id);
-
-  // Wait for extension to be not idle.
-  bool WaitForExtensionNotIdle(const std::string& extension_id);
-
-  // Watch for the given event type from the given source.
-  // After calling this method, call Wait() to ensure that RunMessageLoop() is
-  // called appropriately and cleanup is performed.
-  void Watch(int type, const content::NotificationSource& source);
-
-  // After registering one or more event types with Watch(), call
-  // this method to run the message loop and perform cleanup.
-  void Wait();
-
-  const std::string& last_loaded_extension_id() {
-    return last_loaded_extension_id_;
-  }
-  void set_last_loaded_extension_id(
-      const std::string& last_loaded_extension_id) {
-    last_loaded_extension_id_ = last_loaded_extension_id;
-  }
-
-  // content::NotificationObserver
-  void Observe(int type,
-               const content::NotificationSource& source,
-               const content::NotificationDetails& details) override;
-
- private:
-  class NotificationSet;
-
-  Profile* GetProfile();
-
-  void WaitForNotification(int notification_type);
-
-  // Wait for |condition_| to be met. |notification_set| is the set of
-  // notifications to wait for and to check |condition| when observing. This
-  // can be NULL if we are instead waiting for a different observer method, like
-  // OnPageActionsUpdated().
-  void WaitForCondition(const base::Callback<bool(void)>& condition,
-                        NotificationSet* notification_set);
-
-  // Quits the message loop if |condition_| is met.
-  void MaybeQuit();
-
-  // extensions::ExtensionActionAPI::Observer:
-  void OnPageActionsUpdated(content::WebContents* contents) override;
-
-  Browser* browser_;
-  Profile* profile_;
-
-  content::NotificationRegistrar registrar_;
-  std::unique_ptr<content::WindowedNotificationObserver> observer_;
-
-  std::string last_loaded_extension_id_;
-  int extension_installs_observed_;
-  int extension_load_errors_observed_;
-  int crx_installers_done_observed_;
-
-  // The condition for which we are waiting. This should be checked in any
-  // observing methods that could trigger it.
-  base::Callback<bool(void)> condition_;
-
-  // The closure to quit the currently-running message loop.
-  base::Closure quit_closure_;
-};
-
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TEST_NOTIFICATION_OBSERVER_H_