Pass WebPushError::ErrorTypePermissionDenied when appropriate.

content/renderer/push_messaging/push_messaging_dispatcher.cc

Index: content/renderer/push_messaging/push_messaging_dispatcher.cc
diff --git a/content/renderer/push_messaging/push_messaging_dispatcher.cc b/content/renderer/push_messaging/push_messaging_dispatcher.cc
index f82547e43292b720ec369c3a0b199d713cb50e3f..dcf79de570821ca8be67a245857ce98efa6aa3c0 100644
--- a/content/renderer/push_messaging/push_messaging_dispatcher.cc
+++ b/content/renderer/push_messaging/push_messaging_dispatcher.cc
@@ -103,8 +103,13 @@ void PushMessagingDispatcher::OnSubscribeFromDocumentError(
       subscription_callbacks_.Lookup(request_id);
   DCHECK(callbacks);
 
+  blink::WebPushError::ErrorType error_type =
+      status == PUSH_REGISTRATION_STATUS_PERMISSION_DENIED
+          ? blink::WebPushError::ErrorTypePermissionDenied
+          : blink::WebPushError::ErrorTypeAbort;
+
   callbacks->onError(blink::WebPushError(
-      blink::WebPushError::ErrorTypeAbort,
+      error_type,
       blink::WebString::fromUTF8(PushRegistrationStatusToString(status))));
 
   subscription_callbacks_.Remove(request_id);