call compile in convert_with_pipeline()

We used to do this a while ago, then I removed compile().
This puts things back how they used to be.

Change-Id: I676ec1a06249f2356f426fd2847af093526f54d2
Reviewed-on: https://skia-review.googlesource.com/18079
Reviewed-by: Matt Sarett <msarett@google.com>
Commit-Queue: Mike Klein <mtklein@chromium.org>
1 file changed