track bounds of top-level control ops

We don't need an explicit save-restore block to determine the bounds of
top-level control operations... the implicit save-restore that all
picutres have should logically work the same way.

The commented test failed before this and passes now.

Bug: skia:7735
Change-Id: Ibd31a3a9b0b48042ab3869a6bb57bc8d8bb78c09
Reviewed-on: https://skia-review.googlesource.com/126460
Commit-Queue: Mike Klein <mtklein@chromium.org>
Commit-Queue: Brian Osman <brianosman@google.com>
Auto-Submit: Mike Klein <mtklein@chromium.org>
Reviewed-by: Brian Osman <brianosman@google.com>
2 files changed