Remove autocheckout code.

components/autofill/content/browser/autocheckout_statistic.cc

-// Copyright 2013 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 "components/autofill/content/browser/autocheckout_statistic.h"
-
-#include "base/logging.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/values.h"
-
-namespace autofill {
-
-namespace {
-
-std::string AutocheckoutStepToString(AutocheckoutStepType step) {
-  switch(step) {
-    case AUTOCHECKOUT_STEP_SHIPPING:
-      return "AUTOCHECKOUT_STEP_SHIPPING";
-    case AUTOCHECKOUT_STEP_DELIVERY:
-      return "AUTOCHECKOUT_STEP_DELIVERY";
-    case AUTOCHECKOUT_STEP_BILLING:
-      return "AUTOCHECKOUT_STEP_BILLING";
-    case AUTOCHECKOUT_STEP_PROXY_CARD:
-      return "AUTOCHECKOUT_STEP_PROXY_CARD";
-  }
-  NOTREACHED();
-  return "NOT_POSSIBLE";
-}
-
-}  // namespace
-
-AutocheckoutStatistic::AutocheckoutStatistic() : page_number(-1) {
-}
-
-AutocheckoutStatistic::~AutocheckoutStatistic() {
-}
-
-scoped_ptr<base::DictionaryValue> AutocheckoutStatistic::ToDictionary() const {
-  scoped_ptr<base::DictionaryValue> dict(new base::DictionaryValue());
-  std::string description = base::IntToString(page_number);
-  for (size_t i = 0; i < steps.size(); ++i) {
-    description = description + "_" + AutocheckoutStepToString(steps[i]);
-  }
-  dict->SetString("step_description", description);
-  dict->SetInteger("time_taken", time_taken.InMilliseconds());
-  DVLOG(1) << "Step : " << description
-           << ", time_taken: " << time_taken.InMilliseconds();
-  return dict.Pass();
-}
-
-}  // namespace autofill
-