Fix user scripts not getting initialized.

BUG=13290,13128
TEST=Add --enable-user-scripts to command line without --enable-extensions or --load-extension. Start Chrome, user scripts should work. Also run ui tests with --enable-extensions.

Review URL: http://codereview.chromium.org/119256

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@17898 0039d316-1c4b-4281-b951-d872f2087c98
4 files changed