Establish components/autofill and move some files

components/autofill/common/form_data_predictions.cc

 // Copyright (c) 2011 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/common/form_data_predictions.h"
+#include "components/autofill/common/form_data_predictions.h"
 
 FormDataPredictions::FormDataPredictions() {
 }
 
 FormDataPredictions::FormDataPredictions(const FormDataPredictions& other)
     : data(other.data),
       signature(other.signature),
       experiment_id(other.experiment_id),
       fields(other.fields) {
 }
 
 FormDataPredictions::~FormDataPredictions() {
 }