More early returns in GeometryMapper methods

More early returns in GeometryMapper methods

This can get the same performance for paint invalidation
as https://codereview.chromium.org/2621483002/, but it will
also improve performances of other public methods.

BUG=678597
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2619163002
Cr-Commit-Position: refs/heads/master@{#442491}
Committed: https://chromium.googlesource.com/chromium/src/+/ae5695364d1c6e0cdefcad92302959cfa8b43274

[Xianzhu, 2017-01-08 23:45:13]

Description was changed from

==========
Speed up GeometryMapper

BUG=678597
==========

to

==========
Speed up GeometryMapper

BUG=678597
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

[Xianzhu, 2017-01-09 23:04:06]

Description was changed from

==========
Speed up GeometryMapper

BUG=678597
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

to

==========
More early returns in GeometryMapper methods

This can get the same performance for paint invalidation
as https://codereview.chromium.org/2621483002/, but it will
also improve performances of other public methods.

BUG=678597
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

[Xianzhu, 2017-01-09 23:04:48]

wangxianzhu@chromium.org changed reviewers:
+ chrishtr@chromium.org, pdr@chromium.org

[Xianzhu, 2017-01-09 23:04:54]

The CQ bit was checked by wangxianzhu@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-01-09 23:05:25]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[pdr., 2017-01-09 23:11:37]

LGTM

[commit-bot: I haz the power, 2017-01-10 01:04:16]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-01-10 01:04:17]

Dry run: Try jobs failed on following builders:
  linux_chromium_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Xianzhu, 2017-01-10 01:51:07]

The CQ bit was checked by wangxianzhu@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-01-10 01:52:17]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-01-10 03:54:03]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-01-10 03:54:04]

Dry run: Try jobs failed on following builders:
  cast_shell_linux on master.tryserver.chromium.linux (JOB_TIMED_OUT, no build
URL)
  linux_layout_tests_slimming_paint_v2 on master.tryserver.chromium.linux
(JOB_TIMED_OUT, no build URL)

[Xianzhu, 2017-01-10 03:59:07]

The CQ bit was checked by wangxianzhu@chromium.org

[Xianzhu, 2017-01-10 03:59:07]

The patchset sent to the CQ was uploaded after l-g-t-m from pdr@chromium.org
Link to the patchset: https://codereview.chromium.org/2619163002/#ps40001
(title: "Fix unit tests")

[commit-bot: I haz the power, 2017-01-10 03:59:59]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-01-10 05:13:55]

CQ is committing da patch.

Bot data: {"patchset_id": 40001, "attempt_start_ts": 1484020747032900,
"parent_rev": "6f8ab17a9400e5c22a19baec33d744658cde0496", "commit_rev":
"ae5695364d1c6e0cdefcad92302959cfa8b43274"}

[commit-bot: I haz the power, 2017-01-10 05:14:26]

Description was changed from

==========
More early returns in GeometryMapper methods

This can get the same performance for paint invalidation
as https://codereview.chromium.org/2621483002/, but it will
also improve performances of other public methods.

BUG=678597
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

to

==========
More early returns in GeometryMapper methods

This can get the same performance for paint invalidation
as https://codereview.chromium.org/2621483002/, but it will
also improve performances of other public methods.

BUG=678597
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2619163002
Cr-Commit-Position: refs/heads/master@{#442491}
Committed:
https://chromium.googlesource.com/chromium/src/+/ae5695364d1c6e0cdefcad923029...
==========

[commit-bot: I haz the power, 2017-01-10 05:14:29]

Committed patchset #3 (id:40001) as
https://chromium.googlesource.com/chromium/src/+/ae5695364d1c6e0cdefcad923029...