RootLayerScrolling: fix PaintLayerClipperTest.

RootLayerScrolling: fix PaintLayerClipperTest.

Configure the ClipRectsContext for the root layer to treat it as a
composited scrolling layer by not applying an overflow clip.

BUG=490942
R=chrishtr@chromium.org,skobes@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Committed: https://crrev.com/1edd6bef6ba9b1db476450f4960cf09836775e4d
Cr-Commit-Position: refs/heads/master@{#438677}

[szager1, 2016-12-14 22:20:02]

Description was changed from

==========
RootLayerScrolling: fix PaintLayerClipperTest.

Configure the ClipRectsContext for the root layer to treat it as a
composited scrolling layer by not applying an overflow clip.

BUG=490942
R=chrishtr@chromium.org,skobes@chromium.org
==========

to

==========
RootLayerScrolling: fix PaintLayerClipperTest.

Configure the ClipRectsContext for the root layer to treat it as a
composited scrolling layer by not applying an overflow clip.

BUG=490942
R=chrishtr@chromium.org,skobes@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

[chrishtr, 2016-12-14 22:25:34]

The CQ bit was checked by chrishtr@chromium.org

[chrishtr, 2016-12-14 22:25:35]

lgtm

[commit-bot: I haz the power, 2016-12-14 22:26:16]

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, 2016-12-14 23:45:45]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481754334857830, "parent_rev":
"1f1efcce07fa0e8be3ff2809d812ab50739a1e59", "commit_rev":
"b1d52ca3feb1b67a4c2ccc8dfbc60a97d6f0f637"}

[commit-bot: I haz the power, 2016-12-14 23:46:17]

Description was changed from

==========
RootLayerScrolling: fix PaintLayerClipperTest.

Configure the ClipRectsContext for the root layer to treat it as a
composited scrolling layer by not applying an overflow clip.

BUG=490942
R=chrishtr@chromium.org,skobes@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
==========

to

==========
RootLayerScrolling: fix PaintLayerClipperTest.

Configure the ClipRectsContext for the root layer to treat it as a
composited scrolling layer by not applying an overflow clip.

BUG=490942
R=chrishtr@chromium.org,skobes@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2576883002
==========

[commit-bot: I haz the power, 2016-12-14 23:46:17]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-14 23:49:45]

Description was changed from

==========
RootLayerScrolling: fix PaintLayerClipperTest.

Configure the ClipRectsContext for the root layer to treat it as a
composited scrolling layer by not applying an overflow clip.

BUG=490942
R=chrishtr@chromium.org,skobes@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2576883002
==========

to

==========
RootLayerScrolling: fix PaintLayerClipperTest.

Configure the ClipRectsContext for the root layer to treat it as a
composited scrolling layer by not applying an overflow clip.

BUG=490942
R=chrishtr@chromium.org,skobes@chromium.org
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Committed: https://crrev.com/1edd6bef6ba9b1db476450f4960cf09836775e4d
Cr-Commit-Position: refs/heads/master@{#438677}
==========

[commit-bot: I haz the power, 2016-12-14 23:49:46]

Patchset 1 (id:??) landed as
https://crrev.com/1edd6bef6ba9b1db476450f4960cf09836775e4d
Cr-Commit-Position: refs/heads/master@{#438677}