Fixes a bug in revision 55103 that prevents extensions from loading their own resources in some rare cases when the origin is "null". 
Fixes a bug in revision 55103 that prevents extensions from loading their own resources in some rare cases when the origin is "null". 

BUG=51702
TEST=None
Review URL: http://codereview.chromium.org/3144003

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@55967 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser