Move prefs-related files under chrome/browser/ into a prefs/ subdir.

chrome/browser/prefs/pref_set_observer.cc

 // Copyright (c) 2010 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/pref_set_observer.h"
+#include "chrome/browser/prefs/pref_set_observer.h"
 
 #include "chrome/common/notification_type.h"
 #include "chrome/common/pref_names.h"
 
 PrefSetObserver::PrefSetObserver(PrefService* pref_service,
                                  NotificationObserver* observer)
     : pref_service_(pref_service),
       observer_(observer) {
 }
 
@@ skipping 41 matching lines @@
 
   return pref_set;
 }
 
 void PrefSetObserver::Observe(NotificationType type,
                               const NotificationSource& source,
                               const NotificationDetails& details) {
   if (observer_)
     observer_->Observe(type, source, details);
 }