bug 910815 - refactor package installation to improve maintainability; r=fabrice

dom/apps/src/Makefile.in

@@ -0,0 +1,7 @@
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at http://mozilla.org/MPL/2.0/.
+
+ifdef MOZ_DEBUG
+  DEFINES += -DMOZ_DEBUG=1
+endif

dom/apps/tests/test_packaged_app_install.html

@@ -37,7 +37,7 @@ function checkAppInstallError(aMiniManifestURL, aExpectedError) {
       ok(true, "Got expected " + aExpectedError);
       PackagedTestHelper.next();
     } else {
-      ok(false, "Got unexpected " + aError);
+      ok(false, "Got unexpected " + error);
       PackagedTestHelper.finish();
     }
   };