Skip reflowed comments css/parser for git-blame.

R=thakis@chromium.org
BUG=563793

Review-Url: https://codereview.chromium.org/2396433006
Cr-Commit-Position: refs/heads/master@{#423712}

diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 2a2468e..3efd62e 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs

@@ -365,3 +365,4 @@
 b68f48701966427c18cbb63e3a15e7dda4fa19a4
 26e2733660998f34f0998a56516c317fcaaa9359
 7f9ede63f194fa5e4cf1c62e2b72dbc9f1ee0471
+d0909e12aaaf66534aee43edff36ed08e746e0cb