Service Worker: Expand path restriction error message to instruct how to fix

content/browser/service_worker/service_worker_utils.cc

Index: content/browser/service_worker/service_worker_utils.cc
diff --git a/content/browser/service_worker/service_worker_utils.cc b/content/browser/service_worker/service_worker_utils.cc
index d37bb227f767d00e549775542690c4b43cd149bd..cfb44711cd460925c721ae95c4760e7ef9eb902a 100644
--- a/content/browser/service_worker/service_worker_utils.cc
+++ b/content/browser/service_worker/service_worker_utils.cc
@@ -77,7 +77,9 @@ bool ServiceWorkerUtils::IsPathRestrictionSatisfied(
       error_message->append("set by Service-Worker-Allowed: ");
     error_message->append("'");
     error_message->append(max_scope_string);
-    error_message->append("').");
+    error_message->append(
+        "'). Adjust the scope, move the Service Worker "
+        "script, or use Service-Worker-Allowed to allow the scope.");

[kinuko, 2015/02/19 03:29:28]

nit: Service-Worker-Allowed -> 'Service-Worker-Allowed header' (or HTTP header)
might be more informative

     return false;
   }
   return true;