[SPInvalidation] Micro-optimize PaintLayerClipper::calculateRects

[SPInvalidation] Micro-optimize PaintLayerClipper::calculateRects

According to this try job:

https://console.developers.google.com/m/cloudstorage/b/chromium-telemetry/o/html-results/results-2017-04-14_14-14-12

we observe a 5% improvement in caching-disabled performance.

BUG=699198
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2822653003
Cr-Commit-Position: refs/heads/master@{#465005}
(cherry picked from commit 44b96aec9c8b09356c59a7153c6bd7cbb4f9d69f)

Review-Url: https://codereview.chromium.org/2828593002 .
Cr-Commit-Position: refs/branch-heads/3071@{#40}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/e2f2943d8ff044fc281df0914af513c21ffd6074

[chrishtr, 2017-04-18 21:24:53]

Description was changed from

==========
[SPInvalidation] Micro-optimize PaintLayerClipper::calculateRects

According to this try job:

https://console.developers.google.com/m/cloudstorage/b/chromium-telemetry/o/h...

we observe a 5% improvement in caching-disabled performance.

BUG=699198
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2822653003
Cr-Commit-Position: refs/heads/master@{#465005}
(cherry picked from commit 44b96aec9c8b09356c59a7153c6bd7cbb4f9d69f)
==========

to

==========
[SPInvalidation] Micro-optimize PaintLayerClipper::calculateRects

According to this try job:

https://console.developers.google.com/m/cloudstorage/b/chromium-telemetry/o/h...

we observe a 5% improvement in caching-disabled performance.

BUG=699198
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2822653003
Cr-Commit-Position: refs/heads/master@{#465005}
(cherry picked from commit 44b96aec9c8b09356c59a7153c6bd7cbb4f9d69f)

Review-Url: https://codereview.chromium.org/2828593002 .
Cr-Commit-Position: refs/branch-heads/3071@{#40}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/e2f2943d8ff044fc281df0914af5...
==========

[chrishtr, 2017-04-18 21:24:54]

Committed patchset #1 (id:1) manually as
e2f2943d8ff044fc281df0914af513c21ffd6074.