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

chrome/browser/autofill/autofill_download.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/autofill_download.h"
 
 #include <algorithm>
 #include <ostream>
 #include <vector>
 
 #include "base/logging.h"
+#include "base/prefs/public/pref_service_base.h"
 #include "base/rand_util.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "chrome/browser/autofill/autofill_metrics.h"
 #include "chrome/browser/autofill/autofill_xml_parser.h"
 #include "chrome/browser/autofill/form_structure.h"
-#include "chrome/browser/api/prefs/pref_service_base.h"
 #include "chrome/common/pref_names.h"
 #include "content/public/browser/browser_context.h"
 #include "googleurl/src/gurl.h"
 #include "net/base/load_flags.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_fetcher.h"
 #include "third_party/libjingle/source/talk/xmllite/xmlparser.h"
 
 using content::BrowserContext;
 
@@ skipping 297 matching lines @@
         SetPositiveUploadRate(new_positive_upload_rate);
         SetNegativeUploadRate(new_negative_upload_rate);
       }
 
       observer_->OnUploadedPossibleFieldTypes();
     }
   }
   delete it->first;
   url_fetchers_.erase(it);
 }