Establish components/autofill and move some files

chrome/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"
-
-FormDataPredictions::FormDataPredictions() {
-}
-
-FormDataPredictions::FormDataPredictions(const FormDataPredictions& other)
-    : data(other.data),
-      signature(other.signature),
-      experiment_id(other.experiment_id),
-      fields(other.fields) {
-}
-
-FormDataPredictions::~FormDataPredictions() {
-}