Remove raw DictionaryValue::Set in //chrome

chrome/browser/ssl/chrome_ssl_host_state_delegate.cc

Index: chrome/browser/ssl/chrome_ssl_host_state_delegate.cc
diff --git a/chrome/browser/ssl/chrome_ssl_host_state_delegate.cc b/chrome/browser/ssl/chrome_ssl_host_state_delegate.cc
index 51640614b9c30738f62e398a1f70656684e7b268..d080dae377ef8d706d0cc9cdc90e948ef2b691de 100644
--- a/chrome/browser/ssl/chrome_ssl_host_state_delegate.cc
+++ b/chrome/browser/ssl/chrome_ssl_host_state_delegate.cc
@@ -16,6 +16,7 @@
 #include "base/command_line.h"
 #include "base/guid.h"
 #include "base/logging.h"
+#include "base/memory/ptr_util.h"
 #include "base/metrics/field_trial.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/time/clock.h"
@@ -263,9 +264,9 @@ base::DictionaryValue* ChromeSSLHostStateDelegate::GetValidCertDecisionsDict(
     if (create_entries == DO_NOT_CREATE_DICTIONARY_ENTRIES)
       return NULL;
 
-    cert_error_dict = new base::DictionaryValue();
-    // dict takes ownership of cert_error_dict
-    dict->Set(kSSLCertDecisionCertErrorMapKey, cert_error_dict);
+    cert_error_dict =
+        dict->SetDictionary(kSSLCertDecisionCertErrorMapKey,
+                            base::MakeUnique<base::DictionaryValue>());
   }
 
   return cert_error_dict;