Reland of New PaintController under-invalidation checking

Reland of New PaintController under-invalidation checking (patchset #1 id:1 of https://codereview.chromium.org/2156053002/ )

Reason for revert:
The original CL is to discover such bugs. Will mark the test failure in the reland.

Original issue's description:
> Revert of New PaintController under-invalidation checking (patchset #7 id:120001 of https://codereview.chromium.org/2114653003/ )
>
> Reason for revert:
> NOTREACHED being hit in checkUnderInvalidation on WebKit Win7 (dbg); see https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Win7%20%28dbg%29/builds/6481.
>
> Original issue's description:
> > New PaintController under-invalidation checking
> >
> > This is a follow-up of https://codereview.chromium.org/2107103002/
> > which broke the original under-invalidation checking in
> > PaintController.
> >
> > BUG=596983, 510908
> >
> > Committed: https://crrev.com/63b12484f2c59ba177a21aba09b8a4edd38e6ea1
> > Cr-Commit-Position: refs/heads/master@{#405805}
>
> TBR=chrishtr@chromium.org,pdr@chromium.org,wangxianzhu@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=596983, 510908
>
> Committed: https://crrev.com/f2f05c78616f02157cd1414905a8692f227d9a64
> Cr-Commit-Position: refs/heads/master@{#405988}

TBR=chrishtr@chromium.org,pdr@chromium.org,grt@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=596983, 510908
Committed: https://crrev.com/ecaad1e063c8e6c7033733a040250e38d1ddee28
Cr-Commit-Position: refs/heads/master@{#406016}

[Xianzhu, 2016-07-18 16:50:24]

The CQ bit was checked by wangxianzhu@chromium.org

[Xianzhu, 2016-07-18 16:50:25]

Created Reland of New PaintController under-invalidation checking

[Xianzhu, 2016-07-18 16:50:34]

The CQ bit was unchecked by wangxianzhu@chromium.org

[chrishtr, 2016-07-18 16:52:32]

lgtm

[Xianzhu, 2016-07-18 16:53:55]

The CQ bit was checked by wangxianzhu@chromium.org

[Xianzhu, 2016-07-18 16:53:56]

The patchset sent to the CQ was uploaded after l-g-t-m from
chrishtr@chromium.org
Link to the patchset: https://codereview.chromium.org/2162603002/#ps170001
(title: "TestExpectations")

[commit-bot: I haz the power, 2016-07-18 16:54:31]

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, 2016-07-18 16:55:15]

Committed patchset #2 (id:170001)

[commit-bot: I haz the power, 2016-07-18 16:56:44]

Description was changed from

==========
Reland of New PaintController under-invalidation checking (patchset #1 id:1 of
https://codereview.chromium.org/2156053002/ )

Reason for revert:
The original CL is to discover such bugs. Will mark the test failure in the
reland.

Original issue's description:
> Revert of New PaintController under-invalidation checking (patchset #7
id:120001 of https://codereview.chromium.org/2114653003/ )
> 
> Reason for revert:
> NOTREACHED being hit in checkUnderInvalidation on WebKit Win7 (dbg); see
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Win7%20%28dbg%....
> 
> Original issue's description:
> > New PaintController under-invalidation checking
> >
> > This is a follow-up of https://codereview.chromium.org/2107103002/
> > which broke the original under-invalidation checking in
> > PaintController.
> >
> > BUG=596983,510908
> >
> > Committed: https://crrev.com/63b12484f2c59ba177a21aba09b8a4edd38e6ea1
> > Cr-Commit-Position: refs/heads/master@{#405805}
> 
> TBR=chrishtr@chromium.org,pdr@chromium.org,wangxianzhu@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=596983,510908
> 
> Committed: https://crrev.com/f2f05c78616f02157cd1414905a8692f227d9a64
> Cr-Commit-Position: refs/heads/master@{#405988}

TBR=chrishtr@chromium.org,pdr@chromium.org,grt@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=596983,510908
==========

to

==========
Reland of New PaintController under-invalidation checking (patchset #1 id:1 of
https://codereview.chromium.org/2156053002/ )

Reason for revert:
The original CL is to discover such bugs. Will mark the test failure in the
reland.

Original issue's description:
> Revert of New PaintController under-invalidation checking (patchset #7
id:120001 of https://codereview.chromium.org/2114653003/ )
>
> Reason for revert:
> NOTREACHED being hit in checkUnderInvalidation on WebKit Win7 (dbg); see
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Win7%20%28dbg%....
>
> Original issue's description:
> > New PaintController under-invalidation checking
> >
> > This is a follow-up of https://codereview.chromium.org/2107103002/
> > which broke the original under-invalidation checking in
> > PaintController.
> >
> > BUG=596983,510908
> >
> > Committed: https://crrev.com/63b12484f2c59ba177a21aba09b8a4edd38e6ea1
> > Cr-Commit-Position: refs/heads/master@{#405805}
>
> TBR=chrishtr@chromium.org,pdr@chromium.org,wangxianzhu@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=596983,510908
>
> Committed: https://crrev.com/f2f05c78616f02157cd1414905a8692f227d9a64
> Cr-Commit-Position: refs/heads/master@{#405988}

TBR=chrishtr@chromium.org,pdr@chromium.org,grt@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=596983,510908

Committed: https://crrev.com/ecaad1e063c8e6c7033733a040250e38d1ddee28
Cr-Commit-Position: refs/heads/master@{#406016}
==========

[commit-bot: I haz the power, 2016-07-18 16:56:45]

Patchset 2 (id:??) landed as
https://crrev.com/ecaad1e063c8e6c7033733a040250e38d1ddee28
Cr-Commit-Position: refs/heads/master@{#406016}