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

chrome/browser/extensions/component_loader.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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/gtest_prod_util.h"
+#include "base/prefs/public/pref_change_registrar.h"
 #include "base/values.h"
-#include "chrome/browser/api/prefs/pref_change_registrar.h"
 #include "content/public/browser/notification_observer.h"
 
 class ExtensionServiceInterface;
 class PrefService;
 
 namespace extensions {
 
 class Extension;
 
 // For registering, loading, and unloading component extensions.
@@ skipping 113 matching lines @@
   PrefChangeRegistrar pref_change_registrar_;
 
   std::string script_bubble_id_;
 
   DISALLOW_COPY_AND_ASSIGN(ComponentLoader);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_