Change histogram.h includes to histogram_macros.h in components/

components/policy/core/browser/browser_policy_connector.cc

 // Copyright 2014 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/policy/core/browser/browser_policy_connector.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/logging.h"
-#include "base/metrics/histogram.h"
+#include "base/metrics/histogram_macros.h"
 #include "base/metrics/sparse_histogram.h"
 #include "base/prefs/pref_registry_simple.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "components/policy/core/common/cloud/cloud_policy_refresh_scheduler.h"
 #include "components/policy/core/common/cloud/device_management_service.h"
 #include "components/policy/core/common/configuration_policy_provider.h"
 #include "components/policy/core/common/policy_namespace.h"
 #include "components/policy/core/common/policy_pref_names.h"
 #include "components/policy/core/common/policy_service_impl.h"
@@ skipping 226 matching lines @@
 }
 
 void BrowserPolicyConnector::SetPlatformPolicyProvider(
     scoped_ptr<ConfigurationPolicyProvider> provider) {
   CHECK(!platform_policy_provider_);
   platform_policy_provider_ = provider.get();
   AddPolicyProvider(provider.Pass());
 }
 
 }  // namespace policy