Avoid counting verbs twice in SkPath::isEmpty()

Remove redundant call to SkPathRef::countVerbs. The intention was
probably to count points. Instead, assert that all two-verb paths
begin with a 'move' and that if the second verb is a 'line', then the
point count is indeed two.

BUG=1478
R=bsalomon@google.com

Author: kkinnunen@nvidia.com

Review URL: https://chromiumcodereview.appspot.com/22171002

git-svn-id: http://skia.googlecode.com/svn/trunk@10527 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed