bump chromium deps to last known good release.

BUG=none
TEST=none
Review URL: https://webrtc-codereview.appspot.com/1347004

git-svn-id: http://libyuv.googlecode.com/svn/trunk@672 16f28f9a-4ce2-e073-06de-1de4eb20be90

DEPS

@@ -13,7 +13,7 @@ vars = {
   "googlecode_url": "http://%s.googlecode.com/svn",
   "chromium_trunk" : "http://src.chromium.org/svn/trunk",
   # chrome://version/ for revision of canary Chrome.
-  "chromium_revision": "185863",
+  "chromium_revision": "195104",
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than