fix($httpBackend): Allow status code 0 from any protocol

Android 4.1 stock browser also returns status code 0 when
a template is loaded via `http` and the application is cached using
appcache.

Fixes #1356.
Closes #5547.

1 files changed, 4 insertions, 4 deletions

diff --git a/src/ng/httpBackend.js b/src/ng/httpBackend.js
index 565e1b12..d2806e3e 100644
--- a/src/ng/httpBackend.js
+++ b/src/ng/httpBackend.js
@@ -121,14 +121,14 @@ function createHttpBackend($browser, createXhr, $browserDefer, callbacks, rawDoc
     }
 
     function completeRequest(callback, status, response, headersString) {
-      var protocol = urlResolve(url).protocol;
-
       // cancel timeout and subsequent timeout promise resolution
       timeoutId && $browserDefer.cancel(timeoutId);
       jsonpDone = xhr = null;
 
-      // fix status code for file protocol (it's always 0)
-      status = (protocol == 'file' && status === 0) ? (response ? 200 : 404) : status;
+      // fix status code when it is 0 (0 status is undocumented).
+      // Occurs when accessing file resources.
+      // On Android 4.1 stock browser it occurs while retrieving files from application cache.
+      status = (status === 0) ? (response ? 200 : 404) : status;
 
       // normalize IE bug (http://bugs.jquery.com/ticket/1450)
       status = status == 1223 ? 204 : status;