Minor code cleanups in SkCanvas.

Minor code cleanups in SkCanvas.

Since the SK_SAVE_LAYER_BOUNDS_ARE_FILTERED path is long gone from
SkCanvas, remove or localize some temporary variables.

Cleanup only; no user-visible changes.

BUG=skia:

Committed: https://skia.googlesource.com/skia/+/c41e7e14f4a0076d277870502168ed870e558dfc

[Stephen White, 2015-12-07 20:17:25]

Description was changed from

==========
Minor code cleanups in SkCanvas.

Since the SK_SAVE_LAYER_BOUNDS_ARE_FILTERED path is long gone from
SkCanvas, remove or localize some temporary variables.

Cleanup only; no user-visible changes.

BUG=skia:
==========

to

==========
Minor code cleanups in SkCanvas.

Since the SK_SAVE_LAYER_BOUNDS_ARE_FILTERED path is long gone from
SkCanvas, remove or localize some temporary variables.

Cleanup only; no user-visible changes.

BUG=skia:
==========

[Stephen White, 2015-12-07 20:17:26]

senorblanco@chromium.org changed reviewers:
+ reed@google.com

[Stephen White, 2015-12-07 20:17:36]

reed@: PTAL. Thanks!

[reed1, 2015-12-07 20:28:41]

lgtm

[Stephen White, 2015-12-07 20:37:35]

The CQ bit was checked by senorblanco@chromium.org

[commit-bot: I haz the power, 2015-12-07 20:37:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1508823002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1508823002/1

[commit-bot: I haz the power, 2015-12-07 20:51:32]

Description was changed from

==========
Minor code cleanups in SkCanvas.

Since the SK_SAVE_LAYER_BOUNDS_ARE_FILTERED path is long gone from
SkCanvas, remove or localize some temporary variables.

Cleanup only; no user-visible changes.

BUG=skia:
==========

to

==========
Minor code cleanups in SkCanvas.

Since the SK_SAVE_LAYER_BOUNDS_ARE_FILTERED path is long gone from
SkCanvas, remove or localize some temporary variables.

Cleanup only; no user-visible changes.

BUG=skia:

Committed:
https://skia.googlesource.com/skia/+/c41e7e14f4a0076d277870502168ed870e558dfc
==========

[commit-bot: I haz the power, 2015-12-07 20:51:32]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/c41e7e14f4a0076d277870502168ed870e558dfc