ServiceWorker: Convert ServiceWorkerDatabase::Status to string for logging

content/browser/service_worker/service_worker_database.cc

Index: content/browser/service_worker/service_worker_database.cc
diff --git a/content/browser/service_worker/service_worker_database.cc b/content/browser/service_worker/service_worker_database.cc
index 0bd5bbc09fd3012698773898a07a069ef2a458b5..e9b783d662edd4876a6d17302f662b21f8f09d25 100644
--- a/content/browser/service_worker/service_worker_database.cc
+++ b/content/browser/service_worker/service_worker_database.cc
@@ -262,7 +262,10 @@ ServiceWorkerDatabase::Status LevelDBStatusToStatus(
     return ServiceWorkerDatabase::STATUS_ERROR_FAILED;
 }
 
-const char* StatusToString(ServiceWorkerDatabase::Status status) {
+}  // namespace
+
+const char* ServiceWorkerDatabase::StatusToString(
+  ServiceWorkerDatabase::Status status) {
   switch (status) {
     case ServiceWorkerDatabase::STATUS_OK:
       return "Database OK";
@@ -282,8 +285,6 @@ const char* StatusToString(ServiceWorkerDatabase::Status status) {
   return "Database unknown error";
 }
 
-}  // namespace
-
 ServiceWorkerDatabase::RegistrationData::RegistrationData()
     : registration_id(kInvalidServiceWorkerRegistrationId),
       version_id(kInvalidServiceWorkerVersionId),