Cleanup: Remove unneeded includes of notification_service.h in other headers....

chrome/test/test_notification_tracker.h

 // Copyright (c) 2006-2008 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 "chrome/common/notification_details.h"
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
-#include "chrome/common/notification_service.h"
+#include "chrome/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(NotificationType t, NotificationSource s, NotificationDetails d);
 
@@ skipping 48 matching lines @@
  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_