More NotificationRegistrar conversions.

chrome/browser/google_url_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_BROWSER_GOOGLE_URL_TRACKER_H_
 #define CHROME_BROWSER_GOOGLE_URL_TRACKER_H_
 
 #include <string>
 
 #include "chrome/browser/net/url_fetcher.h"
-#include "chrome/common/notification_observer.h"
+#include "chrome/common/notification_registrar.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest_prod.h"
 
 class PrefService;
 
 // This object is responsible for updating the Google URL at most once per run,
 // and tracking the currently known value, which is also saved to a pref.
 //
 // Most consumers should only call GoogleURL(), which is guaranteed to
 // synchronously return a value at all times (even during startup or in unittest
@@ skipping 61 matching lines @@
                                   const ResponseCookies& cookies,
                                   const std::string& data);
 
   // NotificationObserver
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   static const char kDefaultGoogleHomepage[];
 
+  NotificationRegistrar registrar_;
   GURL google_url_;
   ScopedRunnableMethodFactory<GoogleURLTracker> fetcher_factory_;
   scoped_ptr<URLFetcher> fetcher_;
   bool in_startup_sleep_;  // True if we're in the five-second "no fetching"
                            // period that begins at browser start.
   bool already_fetched_;   // True if we've already fetched a URL once this run;
                            // we won't fetch again until after a restart.
   bool need_to_fetch_;     // True if a consumer actually wants us to fetch an
                            // updated URL.  If this is never set, we won't
                            // bother to fetch anything.
   bool request_context_available_;
                            // True when the profile has been loaded and the
                            // default request context created, so we can
                            // actually do the fetch with the right data.
 
   DISALLOW_COPY_AND_ASSIGN(GoogleURLTracker);
 };
 
 #endif  // CHROME_BROWSER_GOOGLE_URL_TRACKER_H_