More fine-grained pruning in safe browsing incident reporting service.

chrome/browser/safe_browsing/tracked_preference_incident_handlers.h

+// 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.
+
+#ifndef CHROME_BROWSER_SAFE_BROWSING_TRACKED_PREFERENCE_INCIDENT_HANDLERS_H_
+#define CHROME_BROWSER_SAFE_BROWSING_TRACKED_PREFERENCE_INCIDENT_HANDLERS_H_
+
+#include <stdint.h>
+
+#include <string>
+
+namespace safe_browsing {
+
+class ClientIncidentReport_IncidentData;
+
+// Returns the path of the tracked preference.
+std::string GetTrackedPreferenceIncidentKey(
+    const ClientIncidentReport_IncidentData& incident_data);
+
+// Returns a digest computed over the tracked preference incident data.
+uint32_t GetTrackedPreferenceIncidentDigest(
+    const ClientIncidentReport_IncidentData& incident_data);
+
+}  // namespace safe_browsing
+
+#endif  // CHROME_BROWSER_SAFE_BROWSING_TRACKED_PREFERENCE_INCIDENT_HANDLERS_H_