Rename batch->op and sk_sp for all remaining path renderer classes.

Change-Id: Iaa5551d3efe33b8b679b1913a19119ee3ed2e9b6
Reviewed-on: https://skia-review.googlesource.com/6159
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Salomon <bsalomon@google.com>
9 files changed