Move policy code into components/policy.

chrome/browser/policy/policy_load_status.cc

-// Copyright (c) 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 "chrome/browser/policy/policy_load_status.h"
-
-#include "base/metrics/histogram.h"
-#include "base/strings/stringprintf.h"
-#include "components/policy/core/common/policy_types.h"
-
-namespace policy {
-
-namespace {
-
-const char kHistogramName[] = "Enterprise.PolicyLoadStatus";
-
-}  // namespace
-
-PolicyLoadStatusSample::PolicyLoadStatusSample()
-    : histogram_(base::LinearHistogram::FactoryGet(
-          kHistogramName, 1, POLICY_LOAD_STATUS_SIZE,
-          POLICY_LOAD_STATUS_SIZE + 1,
-          base::Histogram::kUmaTargetedHistogramFlag)) {
-  Add(POLICY_LOAD_STATUS_STARTED);
-}
-
-PolicyLoadStatusSample::~PolicyLoadStatusSample() {
-  for (int i = 0; i < POLICY_LOAD_STATUS_SIZE; ++i) {
-    if (status_bits_[i])
-      histogram_->Add(i);
-  }
-}
-
-void PolicyLoadStatusSample::Add(PolicyLoadStatus status) {
-  status_bits_[status] = true;
-}
-
-}  // namespace policy