Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting

Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting (patchset #1 id:1 of https://codereview.chromium.org/2550373002/ )

Reason for revert:
The reland is good. The failure was because of a conflicting CL
https://codereview.chromium.org/2502353003/ that had been reverted
before this revert.

Original issue's description:
> Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting (patchset #1 id:1 of https://codereview.chromium.org/2554763002/ )
>
> Reason for revert:
> Reason for revert:
> A lot of css tests started failing after this CL:
>
> https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Mac10.11%20%28dbg%29/builds/6264
>
> Original issue's description:
> > Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting (patchset #1 id:1 of https://codereview.chromium.org/2550333002/ )
> >
> > Reason for revert:
> > The failures were because of conflict with https://codereview.chromium.org/2502353003/ which
> > has been reverted.
> >
> > Original issue's description:
> > > Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting (patchset #8 id:140001 of https://codereview.chromium.org/2549553002/ )
> > >
> > > Reason for revert:
> > > Breaks the following webkit_unit_tests:
> > > TableCellPainterTest.CollapsedBorderAndOverflow
> > > TablePainterTest.CollapsedBorderInterestRectChange
> > > All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/0
> > > All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/2
> > > All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/2
> > > All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/0
> > > on WebKit Win x64 Builder (dbg)
> > > https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Win%20x64%20Builder%20%28dbg%29/builds/99618
> > >
> > > Original issue's description:
> > > > Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting
> > > >
> > > > Checks that nothing should be painted if
> > > > paintedOutputOfObjectHasNoEffectRegardlessOfSize() is true, to
> > > > catch under-invalidations caused by it.
> > > >
> > > > The verification also works during the first paint, so the existing
> > > > layout tests have enough coverage for the function.
> > > >
> > > > Also fixed some check failures:
> > > > - LayoutDetailsMarker: was actual under-invalidation.
> > > > - LayoutView: as display item client of frame scroll corner. Was not an
> > > >   actual under-invalidation because scroll controls are invalidated
> > > >   separately, but change code to avoid the check failure. This is not
> > > >   applicable to rootLayerScrolling.
> > > > - LayoutSVGBlock (LayoutSVGText and LayoutSVGForeignObject): now assume
> > > >   there is always SVG effects.
> > > >
> > > > Objects painted in SkPictureBuilder are not checked. One example is
> > > > LayoutSVGResourceClipper which doesn't have any painting on the backing,
> > > > but may output paint operations in SkPictureBuilder for the clipped
> > > > object.
> > > >
> > > > BUG=669327
> > > > CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
> > > >
> > > > Committed: https://crrev.com/31a69618a214eb36bad90baa1a4f4d6bc15d008e
> > > > Cr-Commit-Position: refs/heads/master@{#436455}
> > >
> > > TBR=chrishtr@chromium.org,pdr@chromium.org
> > > # Skipping CQ checks because original CL landed less than 1 days ago.
> > > NOPRESUBMIT=true
> > > NOTREECHECKS=true
> > > NOTRY=true
> > > BUG=669327
> > >
> > > Committed: https://crrev.com/f6231f793a5e42804598473806f3f43046ac1fbc
> > > Cr-Commit-Position: refs/heads/master@{#436476}
> >
> > TBR=chrishtr@chromium.org,pdr@chromium.org
> > # Skipping CQ checks because original CL landed less than 1 days ago.
> > NOPRESUBMIT=true
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=669327
> >
> > Committed: https://crrev.com/8f64b7c27bc9a8757977498ee748c641bfe7247e
> > Cr-Commit-Position: refs/heads/master@{#436518}
>
> TBR=chrishtr@chromium.org,pdr@chromium.org,wangxianzhu@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=669327
>
> Committed: https://crrev.com/4f26eb8a561510d386054ad75a4a77bcb515f4f2
> Cr-Commit-Position: refs/heads/master@{#436542}

TBR=chrishtr@chromium.org,pdr@chromium.org,haraken@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=669327
Committed: https://crrev.com/2deb8a493b29be6ba619e0e34b921e4e9339bbe7
Cr-Commit-Position: refs/heads/master@{#436622}

[Xianzhu, 2016-12-06 17:08:48]

The CQ bit was checked by wangxianzhu@chromium.org

[Xianzhu, 2016-12-06 17:08:49]

Created Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting

[commit-bot: I haz the power, 2016-12-06 17:09:09]

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, 2016-12-06 17:09:54]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1481044128706760, "parent_rev":
"2842dcfc3b30ae07ee8e527f6a266ab209ce3f81", "commit_rev":
"948668ce0b8b6a19e19411a64f1d4557570e0219"}

[commit-bot: I haz the power, 2016-12-06 17:10:19]

Description was changed from

==========
Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2550373002/ )

Reason for revert:
The reland is good. The failure was because of a conflicting CL
https://codereview.chromium.org/2502353003/ that had been reverted
before this revert.

Original issue's description:
> Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2554763002/ )
> 
> Reason for revert:
> Reason for revert:
> A lot of css tests started failing after this CL:
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Mac10.11%20%28...
> 
> Original issue's description:
> > Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2550333002/ )
> >
> > Reason for revert:
> > The failures were because of conflict with
https://codereview.chromium.org/2502353003/ which
> > has been reverted.
> >
> > Original issue's description:
> > > Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #8 id:140001 of https://codereview.chromium.org/2549553002/ )
> > >
> > > Reason for revert:
> > > Breaks the following webkit_unit_tests:
> > > TableCellPainterTest.CollapsedBorderAndOverflow
> > > TablePainterTest.CollapsedBorderInterestRectChange
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/0
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/2
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/2
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/0
> > > on WebKit Win x64 Builder (dbg)
> > >
https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Win%...
> > >
> > > Original issue's description:
> > > > Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting
> > > >
> > > > Checks that nothing should be painted if
> > > > paintedOutputOfObjectHasNoEffectRegardlessOfSize() is true, to
> > > > catch under-invalidations caused by it.
> > > >
> > > > The verification also works during the first paint, so the existing
> > > > layout tests have enough coverage for the function.
> > > >
> > > > Also fixed some check failures:
> > > > - LayoutDetailsMarker: was actual under-invalidation.
> > > > - LayoutView: as display item client of frame scroll corner. Was not an
> > > >   actual under-invalidation because scroll controls are invalidated
> > > >   separately, but change code to avoid the check failure. This is not
> > > >   applicable to rootLayerScrolling.
> > > > - LayoutSVGBlock (LayoutSVGText and LayoutSVGForeignObject): now assume
> > > >   there is always SVG effects.
> > > >
> > > > Objects painted in SkPictureBuilder are not checked. One example is
> > > > LayoutSVGResourceClipper which doesn't have any painting on the backing,
> > > > but may output paint operations in SkPictureBuilder for the clipped
> > > > object.
> > > >
> > > > BUG=669327
> > > >
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
> > > >
> > > > Committed: https://crrev.com/31a69618a214eb36bad90baa1a4f4d6bc15d008e
> > > > Cr-Commit-Position: refs/heads/master@{#436455}
> > >
> > > TBR=chrishtr@chromium.org,pdr@chromium.org
> > > # Skipping CQ checks because original CL landed less than 1 days ago.
> > > NOPRESUBMIT=true
> > > NOTREECHECKS=true
> > > NOTRY=true
> > > BUG=669327
> > >
> > > Committed: https://crrev.com/f6231f793a5e42804598473806f3f43046ac1fbc
> > > Cr-Commit-Position: refs/heads/master@{#436476}
> >
> > TBR=chrishtr@chromium.org,pdr@chromium.org
> > # Skipping CQ checks because original CL landed less than 1 days ago.
> > NOPRESUBMIT=true
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=669327
> >
> > Committed: https://crrev.com/8f64b7c27bc9a8757977498ee748c641bfe7247e
> > Cr-Commit-Position: refs/heads/master@{#436518}
> 
> TBR=chrishtr@chromium.org,pdr@chromium.org,wangxianzhu@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=669327
> 
> Committed: https://crrev.com/4f26eb8a561510d386054ad75a4a77bcb515f4f2
> Cr-Commit-Position: refs/heads/master@{#436542}

TBR=chrishtr@chromium.org,pdr@chromium.org,haraken@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=669327
==========

to

==========
Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2550373002/ )

Reason for revert:
The reland is good. The failure was because of a conflicting CL
https://codereview.chromium.org/2502353003/ that had been reverted
before this revert.

Original issue's description:
> Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2554763002/ )
> 
> Reason for revert:
> Reason for revert:
> A lot of css tests started failing after this CL:
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Mac10.11%20%28...
> 
> Original issue's description:
> > Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2550333002/ )
> >
> > Reason for revert:
> > The failures were because of conflict with
https://codereview.chromium.org/2502353003/ which
> > has been reverted.
> >
> > Original issue's description:
> > > Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #8 id:140001 of https://codereview.chromium.org/2549553002/ )
> > >
> > > Reason for revert:
> > > Breaks the following webkit_unit_tests:
> > > TableCellPainterTest.CollapsedBorderAndOverflow
> > > TablePainterTest.CollapsedBorderInterestRectChange
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/0
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/2
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/2
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/0
> > > on WebKit Win x64 Builder (dbg)
> > >
https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Win%...
> > >
> > > Original issue's description:
> > > > Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting
> > > >
> > > > Checks that nothing should be painted if
> > > > paintedOutputOfObjectHasNoEffectRegardlessOfSize() is true, to
> > > > catch under-invalidations caused by it.
> > > >
> > > > The verification also works during the first paint, so the existing
> > > > layout tests have enough coverage for the function.
> > > >
> > > > Also fixed some check failures:
> > > > - LayoutDetailsMarker: was actual under-invalidation.
> > > > - LayoutView: as display item client of frame scroll corner. Was not an
> > > >   actual under-invalidation because scroll controls are invalidated
> > > >   separately, but change code to avoid the check failure. This is not
> > > >   applicable to rootLayerScrolling.
> > > > - LayoutSVGBlock (LayoutSVGText and LayoutSVGForeignObject): now assume
> > > >   there is always SVG effects.
> > > >
> > > > Objects painted in SkPictureBuilder are not checked. One example is
> > > > LayoutSVGResourceClipper which doesn't have any painting on the backing,
> > > > but may output paint operations in SkPictureBuilder for the clipped
> > > > object.
> > > >
> > > > BUG=669327
> > > >
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
> > > >
> > > > Committed: https://crrev.com/31a69618a214eb36bad90baa1a4f4d6bc15d008e
> > > > Cr-Commit-Position: refs/heads/master@{#436455}
> > >
> > > TBR=chrishtr@chromium.org,pdr@chromium.org
> > > # Skipping CQ checks because original CL landed less than 1 days ago.
> > > NOPRESUBMIT=true
> > > NOTREECHECKS=true
> > > NOTRY=true
> > > BUG=669327
> > >
> > > Committed: https://crrev.com/f6231f793a5e42804598473806f3f43046ac1fbc
> > > Cr-Commit-Position: refs/heads/master@{#436476}
> >
> > TBR=chrishtr@chromium.org,pdr@chromium.org
> > # Skipping CQ checks because original CL landed less than 1 days ago.
> > NOPRESUBMIT=true
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=669327
> >
> > Committed: https://crrev.com/8f64b7c27bc9a8757977498ee748c641bfe7247e
> > Cr-Commit-Position: refs/heads/master@{#436518}
> 
> TBR=chrishtr@chromium.org,pdr@chromium.org,wangxianzhu@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=669327
> 
> Committed: https://crrev.com/4f26eb8a561510d386054ad75a4a77bcb515f4f2
> Cr-Commit-Position: refs/heads/master@{#436542}

TBR=chrishtr@chromium.org,pdr@chromium.org,haraken@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=669327
==========

[commit-bot: I haz the power, 2016-12-06 17:10:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-06 17:12:24]

Description was changed from

==========
Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2550373002/ )

Reason for revert:
The reland is good. The failure was because of a conflicting CL
https://codereview.chromium.org/2502353003/ that had been reverted
before this revert.

Original issue's description:
> Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2554763002/ )
> 
> Reason for revert:
> Reason for revert:
> A lot of css tests started failing after this CL:
> 
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Mac10.11%20%28...
> 
> Original issue's description:
> > Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2550333002/ )
> >
> > Reason for revert:
> > The failures were because of conflict with
https://codereview.chromium.org/2502353003/ which
> > has been reverted.
> >
> > Original issue's description:
> > > Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #8 id:140001 of https://codereview.chromium.org/2549553002/ )
> > >
> > > Reason for revert:
> > > Breaks the following webkit_unit_tests:
> > > TableCellPainterTest.CollapsedBorderAndOverflow
> > > TablePainterTest.CollapsedBorderInterestRectChange
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/0
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/2
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/2
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/0
> > > on WebKit Win x64 Builder (dbg)
> > >
https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Win%...
> > >
> > > Original issue's description:
> > > > Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting
> > > >
> > > > Checks that nothing should be painted if
> > > > paintedOutputOfObjectHasNoEffectRegardlessOfSize() is true, to
> > > > catch under-invalidations caused by it.
> > > >
> > > > The verification also works during the first paint, so the existing
> > > > layout tests have enough coverage for the function.
> > > >
> > > > Also fixed some check failures:
> > > > - LayoutDetailsMarker: was actual under-invalidation.
> > > > - LayoutView: as display item client of frame scroll corner. Was not an
> > > >   actual under-invalidation because scroll controls are invalidated
> > > >   separately, but change code to avoid the check failure. This is not
> > > >   applicable to rootLayerScrolling.
> > > > - LayoutSVGBlock (LayoutSVGText and LayoutSVGForeignObject): now assume
> > > >   there is always SVG effects.
> > > >
> > > > Objects painted in SkPictureBuilder are not checked. One example is
> > > > LayoutSVGResourceClipper which doesn't have any painting on the backing,
> > > > but may output paint operations in SkPictureBuilder for the clipped
> > > > object.
> > > >
> > > > BUG=669327
> > > >
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
> > > >
> > > > Committed: https://crrev.com/31a69618a214eb36bad90baa1a4f4d6bc15d008e
> > > > Cr-Commit-Position: refs/heads/master@{#436455}
> > >
> > > TBR=chrishtr@chromium.org,pdr@chromium.org
> > > # Skipping CQ checks because original CL landed less than 1 days ago.
> > > NOPRESUBMIT=true
> > > NOTREECHECKS=true
> > > NOTRY=true
> > > BUG=669327
> > >
> > > Committed: https://crrev.com/f6231f793a5e42804598473806f3f43046ac1fbc
> > > Cr-Commit-Position: refs/heads/master@{#436476}
> >
> > TBR=chrishtr@chromium.org,pdr@chromium.org
> > # Skipping CQ checks because original CL landed less than 1 days ago.
> > NOPRESUBMIT=true
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=669327
> >
> > Committed: https://crrev.com/8f64b7c27bc9a8757977498ee748c641bfe7247e
> > Cr-Commit-Position: refs/heads/master@{#436518}
> 
> TBR=chrishtr@chromium.org,pdr@chromium.org,wangxianzhu@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=669327
> 
> Committed: https://crrev.com/4f26eb8a561510d386054ad75a4a77bcb515f4f2
> Cr-Commit-Position: refs/heads/master@{#436542}

TBR=chrishtr@chromium.org,pdr@chromium.org,haraken@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=669327
==========

to

==========
Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2550373002/ )

Reason for revert:
The reland is good. The failure was because of a conflicting CL
https://codereview.chromium.org/2502353003/ that had been reverted
before this revert.

Original issue's description:
> Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2554763002/ )
>
> Reason for revert:
> Reason for revert:
> A lot of css tests started failing after this CL:
>
>
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Mac10.11%20%28...
>
> Original issue's description:
> > Reland of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #1 id:1 of https://codereview.chromium.org/2550333002/ )
> >
> > Reason for revert:
> > The failures were because of conflict with
https://codereview.chromium.org/2502353003/ which
> > has been reverted.
> >
> > Original issue's description:
> > > Revert of Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during
painting (patchset #8 id:140001 of https://codereview.chromium.org/2549553002/ )
> > >
> > > Reason for revert:
> > > Breaks the following webkit_unit_tests:
> > > TableCellPainterTest.CollapsedBorderAndOverflow
> > > TablePainterTest.CollapsedBorderInterestRectChange
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/0
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgrounds/2
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/2
> > >
All/PaintLayerPainterTest.TableCollapsedBorderNeedsPaintPhaseDescendantBlockBackgroundsDynamic/0
> > > on WebKit Win x64 Builder (dbg)
> > >
https://uberchromegw.corp.google.com/i/chromium.webkit/builders/WebKit%20Win%...
> > >
> > > Original issue's description:
> > > > Verify paintedOutputOfObjectHasNoEffectRegardlessOfSize during painting
> > > >
> > > > Checks that nothing should be painted if
> > > > paintedOutputOfObjectHasNoEffectRegardlessOfSize() is true, to
> > > > catch under-invalidations caused by it.
> > > >
> > > > The verification also works during the first paint, so the existing
> > > > layout tests have enough coverage for the function.
> > > >
> > > > Also fixed some check failures:
> > > > - LayoutDetailsMarker: was actual under-invalidation.
> > > > - LayoutView: as display item client of frame scroll corner. Was not an
> > > >   actual under-invalidation because scroll controls are invalidated
> > > >   separately, but change code to avoid the check failure. This is not
> > > >   applicable to rootLayerScrolling.
> > > > - LayoutSVGBlock (LayoutSVGText and LayoutSVGForeignObject): now assume
> > > >   there is always SVG effects.
> > > >
> > > > Objects painted in SkPictureBuilder are not checked. One example is
> > > > LayoutSVGResourceClipper which doesn't have any painting on the backing,
> > > > but may output paint operations in SkPictureBuilder for the clipped
> > > > object.
> > > >
> > > > BUG=669327
> > > >
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_layout_tests_slimming_paint_v2
> > > >
> > > > Committed: https://crrev.com/31a69618a214eb36bad90baa1a4f4d6bc15d008e
> > > > Cr-Commit-Position: refs/heads/master@{#436455}
> > >
> > > TBR=chrishtr@chromium.org,pdr@chromium.org
> > > # Skipping CQ checks because original CL landed less than 1 days ago.
> > > NOPRESUBMIT=true
> > > NOTREECHECKS=true
> > > NOTRY=true
> > > BUG=669327
> > >
> > > Committed: https://crrev.com/f6231f793a5e42804598473806f3f43046ac1fbc
> > > Cr-Commit-Position: refs/heads/master@{#436476}
> >
> > TBR=chrishtr@chromium.org,pdr@chromium.org
> > # Skipping CQ checks because original CL landed less than 1 days ago.
> > NOPRESUBMIT=true
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=669327
> >
> > Committed: https://crrev.com/8f64b7c27bc9a8757977498ee748c641bfe7247e
> > Cr-Commit-Position: refs/heads/master@{#436518}
>
> TBR=chrishtr@chromium.org,pdr@chromium.org,wangxianzhu@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=669327
>
> Committed: https://crrev.com/4f26eb8a561510d386054ad75a4a77bcb515f4f2
> Cr-Commit-Position: refs/heads/master@{#436542}

TBR=chrishtr@chromium.org,pdr@chromium.org,haraken@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=669327

Committed: https://crrev.com/2deb8a493b29be6ba619e0e34b921e4e9339bbe7
Cr-Commit-Position: refs/heads/master@{#436622}
==========

[commit-bot: I haz the power, 2016-12-06 17:12:26]

Patchset 1 (id:??) landed as
https://crrev.com/2deb8a493b29be6ba619e0e34b921e4e9339bbe7
Cr-Commit-Position: refs/heads/master@{#436622}