Move the bits of Prefs where production code has only trivially easy

base/prefs/public/pref_service_base.h

 // Copyright (c) 2012 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.
 
 // This is the base interface for a preference services that provides
 // a way to access the application's current preferences.
 //
 // This base interface assumes all preferences are local.  See
 // SyncablePrefServiceBase for the interface to a preference service
 // that stores preferences that can be synced.
 //
 // Chromium settings and storage represent user-selected preferences and
 // information and MUST not be extracted, overwritten or modified except
 // through Chromium defined APIs.
 
-#ifndef CHROME_BROWSER_API_PREFS_PREF_SERVICE_BASE_H_
-#define CHROME_BROWSER_API_PREFS_PREF_SERVICE_BASE_H_
+#ifndef BASE_PREFS_PUBLIC_PREF_SERVICE_BASE_H_
+#define BASE_PREFS_PUBLIC_PREF_SERVICE_BASE_H_
 
 #include "base/values.h"
 
 namespace content {
 class BrowserContext;
 class NotificationObserver;
 }
 
 namespace subtle {
 class PrefMemberBase;
@@ skipping 234 matching lines @@
   // If the pref at the given path changes, we call the observer's Observe
   // method with PREF_CHANGED. Note that observers should not call these methods
   // directly but rather use a PrefChangeRegistrar to make sure the observer
   // gets cleaned up properly.
   virtual void AddPrefObserver(const char* path,
                                content::NotificationObserver* obs) = 0;
   virtual void RemovePrefObserver(const char* path,
                                   content::NotificationObserver* obs) = 0;
 };
 
-#endif  // CHROME_BROWSER_API_PREFS_PREF_SERVICE_BASE_H_
+#endif  // BASE_PREFS_PUBLIC_PREF_SERVICE_BASE_H_