Remove stl_util's deletion function use from chrome/.

chrome/browser/safe_browsing/incident_reporting/incident_reporting_service.h

Index: chrome/browser/safe_browsing/incident_reporting/incident_reporting_service.h
diff --git a/chrome/browser/safe_browsing/incident_reporting/incident_reporting_service.h b/chrome/browser/safe_browsing/incident_reporting/incident_reporting_service.h
index 38e6d165f8283ad19416837c98fc5f1f6b1f7cbc..6adca9a4fa553921497a630d462c49c524151cc7 100644
--- a/chrome/browser/safe_browsing/incident_reporting/incident_reporting_service.h
+++ b/chrome/browser/safe_browsing/incident_reporting/incident_reporting_service.h
@@ -161,9 +161,6 @@ class IncidentReportingService : public content::NotificationObserver {
   class UploadContext;
   class Receiver;
 
-  // A mapping of profiles to contexts holding state about received incidents.
-  typedef std::map<Profile*, ProfileContext*> ProfileContextCollection;
-
   // Returns the context for |profile|, creating it if it does not exist.
   ProfileContext* GetOrCreateProfileContext(Profile* profile);
 
@@ -333,8 +330,9 @@ class IncidentReportingService : public content::NotificationObserver {
   base::TimeTicks last_download_begin_;
 
   // Context data for all on-the-record profiles plus the process-wide (NULL)
-  // context.
-  ProfileContextCollection profiles_;
+  // context. A mapping of profiles to contexts holding state about received
+  // incidents.
+  std::map<Profile*, std::unique_ptr<ProfileContext>> profiles_;
 
   // Callbacks registered for performing delayed analysis.
   DelayedCallbackRunner delayed_analysis_callbacks_;