Invalidate row/section for backgrounds when cell's geometry changes

Invalidate row/section for backgrounds when cell's geometry changes

https://codereview.chromium.org/2786463004/ caused the regression.
Now we paint cell's container backgrounds as display item of row/section
instead of cell, so when cell's geometry changes we need to invalidate
the container's backgrounds.

BUG=713050
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2851553002
Cr-Commit-Position: refs/heads/master@{#468056}
TBR=wangxianzhu@chromium.org
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2854623002
Cr-Commit-Position: refs/branch-heads/3071@{#323}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/6b8e291ddfeaafc8efa847d11ff89f3db2b027ed

[Xianzhu, 2017-05-01 16:14:07]

The CQ bit was checked by wangxianzhu@chromium.org

[commit-bot: I haz the power, 2017-05-01 16:14:58]

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, 2017-05-01 16:15:57]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493655247671750, "parent_rev":
"1e6b9d44e81ce02e2c913ae15f8a77679fa47cab", "commit_rev":
"6b8e291ddfeaafc8efa847d11ff89f3db2b027ed"}

[commit-bot: I haz the power, 2017-05-01 16:16:15]

Description was changed from

==========
Invalidate row/section for backgrounds when cell's geometry changes

https://codereview.chromium.org/2786463004/ caused the regression.
Now we paint cell's container backgrounds as display item of row/section
instead of cell, so when cell's geometry changes we need to invalidate
the container's backgrounds.

BUG=713050
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2851553002
Cr-Commit-Position: refs/heads/master@{#468056}
TBR=wangxianzhu@chromium.org
NOTRY=true
NOPRESUBMIT=true
==========

to

==========
Invalidate row/section for backgrounds when cell's geometry changes

https://codereview.chromium.org/2786463004/ caused the regression.
Now we paint cell's container backgrounds as display item of row/section
instead of cell, so when cell's geometry changes we need to invalidate
the container's backgrounds.

BUG=713050
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2

Review-Url: https://codereview.chromium.org/2851553002
Cr-Commit-Position: refs/heads/master@{#468056}
TBR=wangxianzhu@chromium.org
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2854623002
Cr-Commit-Position: refs/branch-heads/3071@{#323}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/6b8e291ddfeaafc8efa847d11ff8...
==========

[commit-bot: I haz the power, 2017-05-01 16:16:16]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/6b8e291ddfeaafc8efa847d11ff8...