Revert of Disallow users modify canvas after it transfers control to offscreen

Revert of Disallow users modify canvas after it transfers control to offscreen (patchset #3 id:60001 of https://codereview.chromium.org/2323933004/ )

Reason for revert:
Breaks webkit_tests consistently after submit: https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Leak/builds/22857

Original issue's description:
> Disallow users modify canvas after it transfers control to offscreen
>
> After a canvas has transferred its control to Offscreen, we should not allow
> users to perform resizing, toDataURL, toBlob and getContext.
>
> BUG=563852
>
> Committed: https://crrev.com/85264448db0298f836e6d7bf95ad11134637e4ed
> Cr-Commit-Position: refs/heads/master@{#418114}

TBR=junov@chromium.org,xlai@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=563852
Committed: https://crrev.com/2d2c91639476064fd5e5d4b08cae3fd65ca5b8da
Cr-Commit-Position: refs/heads/master@{#418188}

[kjellander_chromium, 2016-09-13 07:42:18]

The CQ bit was checked by kjellander@chromium.org

[kjellander_chromium, 2016-09-13 07:42:18]

Created Revert of Disallow users modify canvas after it transfers control to
offscreen

[commit-bot: I haz the power, 2016-09-13 07:42:39]

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, 2016-09-13 07:43:33]

Description was changed from

==========
Revert of Disallow users modify canvas after it transfers control to offscreen
(patchset #3 id:60001 of https://codereview.chromium.org/2323933004/ )

Reason for revert:
Breaks webkit_tests consistently after submit:
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Leak/b...



Original issue's description:
> Disallow users modify canvas after it transfers control to offscreen
> 
> After a canvas has transferred its control to Offscreen, we should not allow
> users to perform resizing, toDataURL, toBlob and getContext.
> 
> BUG=563852
> 
> Committed: https://crrev.com/85264448db0298f836e6d7bf95ad11134637e4ed
> Cr-Commit-Position: refs/heads/master@{#418114}

TBR=junov@chromium.org,xlai@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=563852
==========

to

==========
Revert of Disallow users modify canvas after it transfers control to offscreen
(patchset #3 id:60001 of https://codereview.chromium.org/2323933004/ )

Reason for revert:
Breaks webkit_tests consistently after submit:
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Leak/b...



Original issue's description:
> Disallow users modify canvas after it transfers control to offscreen
> 
> After a canvas has transferred its control to Offscreen, we should not allow
> users to perform resizing, toDataURL, toBlob and getContext.
> 
> BUG=563852
> 
> Committed: https://crrev.com/85264448db0298f836e6d7bf95ad11134637e4ed
> Cr-Commit-Position: refs/heads/master@{#418114}

TBR=junov@chromium.org,xlai@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=563852
==========

[commit-bot: I haz the power, 2016-09-13 07:43:35]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-13 07:45:27]

Description was changed from

==========
Revert of Disallow users modify canvas after it transfers control to offscreen
(patchset #3 id:60001 of https://codereview.chromium.org/2323933004/ )

Reason for revert:
Breaks webkit_tests consistently after submit:
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Leak/b...



Original issue's description:
> Disallow users modify canvas after it transfers control to offscreen
> 
> After a canvas has transferred its control to Offscreen, we should not allow
> users to perform resizing, toDataURL, toBlob and getContext.
> 
> BUG=563852
> 
> Committed: https://crrev.com/85264448db0298f836e6d7bf95ad11134637e4ed
> Cr-Commit-Position: refs/heads/master@{#418114}

TBR=junov@chromium.org,xlai@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=563852
==========

to

==========
Revert of Disallow users modify canvas after it transfers control to offscreen
(patchset #3 id:60001 of https://codereview.chromium.org/2323933004/ )

Reason for revert:
Breaks webkit_tests consistently after submit:
https://build.chromium.org/p/chromium.webkit/builders/WebKit%20Linux%20Leak/b...

Original issue's description:
> Disallow users modify canvas after it transfers control to offscreen
>
> After a canvas has transferred its control to Offscreen, we should not allow
> users to perform resizing, toDataURL, toBlob and getContext.
>
> BUG=563852
>
> Committed: https://crrev.com/85264448db0298f836e6d7bf95ad11134637e4ed
> Cr-Commit-Position: refs/heads/master@{#418114}

TBR=junov@chromium.org,xlai@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=563852

Committed: https://crrev.com/2d2c91639476064fd5e5d4b08cae3fd65ca5b8da
Cr-Commit-Position: refs/heads/master@{#418188}
==========

[commit-bot: I haz the power, 2016-09-13 07:45:28]

Patchset 1 (id:??) landed as
https://crrev.com/2d2c91639476064fd5e5d4b08cae3fd65ca5b8da
Cr-Commit-Position: refs/heads/master@{#418188}