Add more Rappor metrics

chrome/browser/metrics/rappor/sampling.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 "chrome/browser/metrics/rappor/sampling.h"
+
+#include "chrome/browser/browser_process.h"
+#include "components/rappor/rappor_service.h"
+#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
+
+namespace rappor {
+
+void SampleDomainAndRegistryFromGURL(const std::string& metric,
+                                     const GURL& gurl) {
+  if (!g_browser_process->rappor_service())
+    return;
+  g_browser_process->rappor_service()->RecordSample(
+      metric,
+      rappor::ETLD_PLUS_ONE_RAPPOR_TYPE,
+      net::registry_controlled_domains::GetDomainAndRegistry(
+          gurl, net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES));
+}
+
+void SampleDomainAndRegistryFromHost(const std::string& metric,
+                                     const std::string& host) {
+  if (!g_browser_process->rappor_service())
+    return;
+  g_browser_process->rappor_service()->RecordSample(
+      metric,
+      rappor::ETLD_PLUS_ONE_RAPPOR_TYPE,
+      net::registry_controlled_domains::GetDomainAndRegistry(
+          host, net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES));
+}
+
+}  // namespace rappor