Safe Browsing: Add Omnibox Interaction Incident Reporter

chrome/browser/safe_browsing/incident_reporting/omnibox_incident_handlers.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/safe_browsing/incident_reporting/omnibox_incident_handlers.h"
+
+#include "base/logging.h"
+#include "chrome/common/safe_browsing/csd.pb.h"
+
+namespace safe_browsing {
+
+std::string GetOmniboxIncidentKey(
+    const ClientIncidentReport_IncidentData& incident_data) {
+  DCHECK(incident_data.has_omnibox_interaction());
+  // Return a constant, as only one kind of suspicious interaction is detected.
+  return std::string("1");
+}
+
+uint32_t GetOmniboxIncidentDigest(
+    const ClientIncidentReport_IncidentData& incident_data) {
+  DCHECK(incident_data.has_omnibox_interaction());
+  // Return a constant (independent of the incident's payload) so that only the
+  // first suspicious interaction is reported.
+  return 1u;
+}
+
+}  // namespace safe_browsing