Chromium Gclient Sync Error

#When Running `gclient sync` in `src`
gclient.py 0.7
Syncing projects: 100% (84/84) src/sdch/open-vcdiff

src/third_party/WebKit (ERROR)
----------------------------------------
[0:00:00] Started.
----------------------------------------
Error: 14>
14> ____ src\third_party\WebKit at 98fbcffead79d9fe8dc44ae4e298727c3c0fcd8a
14>     You have unstaged changes.
14>     Please commit, stash, or reset.