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

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index 570f1dd8846a41650bf107671fba4cc0a8813de6..049948c8acd7f49011e698522ba4ee41839409a7 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -315,6 +315,9 @@ const char kSafeBrowsingProceedAnywayDisabled[] =
 const char kSafeBrowsingIncidentReportSent[] =
     "safebrowsing.incident_report_sent";
 
+// A dictionary mapping incident types to a dict of incident key:digest pairs.
+const char kSafeBrowsingIncidentsSent[] = "safebrowsing.incidents_sent";
+
 // Enum that specifies whether Incognito mode is:
 // 0 - Enabled. Default behaviour. Default mode is available on demand.
 // 1 - Disabled. Used cannot browse pages in Incognito mode.