Move more files from chrome/test to chrome/test/base, part #3

chrome/test/test_notification_tracker.h

-// 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.
-
-#ifndef CHROME_TEST_TEST_NOTIFICATION_TRACKER_H_
-#define CHROME_TEST_TEST_NOTIFICATION_TRACKER_H_
-#pragma once
-
-#include <vector>
-
-#include "content/common/notification_details.h"
-#include "content/common/notification_observer.h"
-#include "content/common/notification_registrar.h"
-#include "content/common/notification_source.h"
-
-// Provides an easy way for tests to verify that a given set of notifications
-// was received during test execution.
-class TestNotificationTracker : public NotificationObserver {
- public:
-  // Records one received notification.
-  struct Event {
-    Event();
-    Event(int t, NotificationSource s, NotificationDetails d);
-
-    int type;
-    NotificationSource source;
-    NotificationDetails details;
-  };
-
-  // By default, it won't listen for any notifications. You'll need to call
-  // ListenFor for the notifications you are interested in.
-  TestNotificationTracker();
-
-  virtual ~TestNotificationTracker();
-
-  // Makes this object listen for the given notification with the given source.
-  void ListenFor(int type, const NotificationSource& source);
-
-  // Makes this object listen for notifications of the given type coming from
-  // any source.
-  void ListenForAll(int type);
-
-  // Clears the list of events.
-  void Reset();
-
-  // Given notifications type(sp, returns true if the list of notifications
-  // were exactly those listed in the given arg(s), and in the same order.
-  //
-  // This will also reset the list so that the next call will only check for
-  // new notifications. Example:
-  //   <do stuff>
-  //   Check1AndReset(NOTIFY_A);
-  //   <do stuff>
-  //   Check2AndReset(NOTIFY_B, NOTIFY_C)
-  bool Check1AndReset(int type);
-  bool Check2AndReset(int type1,
-                      int type2);
-  bool Check3AndReset(int type1,
-                      int type2,
-                      int type3);
-
-  // Returns the number of notifications received since the last reset.
-  size_t size() const { return events_.size(); }
-
-  // Returns the information about the event at the given index. The index must
-  // be in [0, size).
-  const Event& at(size_t i) const { return events_[i]; }
-
- protected:
-  virtual void Observe(int type,
-                       const NotificationSource& source,
-                       const NotificationDetails& details);
- private:
-  NotificationRegistrar registrar_;
-
-  // Lists all received since last cleared, in the order they were received.
-  std::vector<Event> events_;
-
-  DISALLOW_COPY_AND_ASSIGN(TestNotificationTracker);
-};
-
-#endif  // CHROME_TEST_TEST_NOTIFICATION_TRACKER_H_