Add domain request detection to incident reporting service.

chrome/browser/safe_browsing/incident_reporting/domain_request_incident.cc

+// Copyright 2015 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/safe_browsing/incident_reporting/domain_request_incident.h"
+
+#include "base/logging.h"
+#include "chrome/browser/safe_browsing/incident_reporting/incident_handler_util.h"
+#include "chrome/common/safe_browsing/csd.pb.h"
+
+namespace safe_browsing {
+
+DomainRequestIncident::DomainRequestIncident(
+    scoped_ptr<ClientIncidentReport_IncidentData_DomainRequestIncident>
+        domain_request_incident) {
+  DCHECK(domain_request_incident);
+  DCHECK(domain_request_incident->has_domain_digest());
+  payload()->set_allocated_domain_request(domain_request_incident.release());
+}
+
+DomainRequestIncident::~DomainRequestIncident() {
+}
+
+IncidentType DomainRequestIncident::GetType() const {
+  return IncidentType::DOMAIN_REQUEST;
+}
+
+std::string DomainRequestIncident::GetKey() const {
+  // Use a static key in addition to a fixed digest below to ensure that only
+  // one incident per user is reported.
+  return "domain_request_incident";
+}
+
+uint32_t DomainRequestIncident::ComputeDigest() const {
+  // Return a constant in addition to a fixed key above to ensure that only one
+  // incident per user is reported.
+  return 42;
+}
+
+}  // namespace safe_browsing