Improved handling of importer profile creation.

chrome/utility/importer/importer_creator.cc

Index: chrome/utility/importer/importer_creator.cc
diff --git a/chrome/utility/importer/importer_creator.cc b/chrome/utility/importer/importer_creator.cc
index f260f8c52bfcefe80e3398b52866b1293e56c7e3..48c7c0c5729e2d7650bedaaf802556e164a95b6b 100644
--- a/chrome/utility/importer/importer_creator.cc
+++ b/chrome/utility/importer/importer_creator.cc
@@ -23,7 +23,7 @@
 
 namespace importer {
 
-Importer* CreateImporterByType(ImporterType type) {
+scoped_refptr<Importer> CreateImporterByType(ImporterType type) {
   switch (type) {
 #if defined(OS_WIN)
     case TYPE_IE:
@@ -44,7 +44,7 @@ Importer* CreateImporterByType(ImporterType type) {
 #endif
     default:
       NOTREACHED();
-      return NULL;
+      return nullptr;
   }
 }