sync: remove unused function.
sync: remove unused function.

CreateSyncErrorButton is not unused anywhere.

Original CL by thiago.farina@gmail.com: http://codereview.chromium.org/549003/edit

BUG=None
TEST=compiles

Review URL: http://codereview.chromium.org/552095

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@36914 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