Move PrefMember and PrefChangeRegistrar to api directory.

chrome/browser/autofill/autocomplete_history_manager.cc

 // 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.
 
 #include "chrome/browser/autofill/autocomplete_history_manager.h"
 
 #include <vector>
 
 #include "base/string16.h"
 #include "base/string_number_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/autofill/autofill_external_delegate.h"
 #include "chrome/browser/autofill/credit_card.h"
-#include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/webdata/web_data_service_factory.h"
 #include "chrome/common/autofill_messages.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "webkit/forms/form_data.h"
 
 using base::StringPiece16;
 using content::WebContents;
@@ skipping 270 matching lines @@
                                              autofill_icons_,
                                              autofill_unique_ids_));
   }
 
   query_id_ = 0;
   autofill_values_.clear();
   autofill_labels_.clear();
   autofill_icons_.clear();
   autofill_unique_ids_.clear();
 }