[webkitpy] Make FileInfo.repository_name support SVN version > 1.6
https://bugs.webkit.org/show_bug.cgi?id=116016

Reviewed by Dirk Pranke.

Same fix as in the upstream style checker, but without hg support.
( http://google-styleguide.googlecode.com/svn/trunk/cpplint/cpplint.py )

* Scripts/webkitpy/style/checkers/cpp.py:
(FileInfo.repository_name):


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@150028 268f45cc-cd09-0410-ab3c-d52691b4dbfc