Revert of Resolving drawImage issue with canvases that contain bitmap images

Revert of Resolving drawImage issue with canvases that contain bitmap images (patchset #3 id:60001 of https://codereview.chromium.org/2267653005/ )

Reason for revert:
Causing this DCHECK:
m_context->getContextType() != CanvasRenderingContext::ContextImageBitmap

on this test:
transferFromImageBitmap-drawImage.html

Original issue's description:
> Adding proper check for canvas type to
> HTMLCanvasElement::getSourceImageForCanvas() such that
> drawImage can correctly draw canvases with bitmap images.
>
> BUG=639841
>
> Committed: https://crrev.com/4d29ebec048d83aac139ec5edcbe22d107351b7b
> Cr-Commit-Position: refs/heads/master@{#413731}

TBR=junov@chromium.org,zakerinasab@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=639841
Committed: https://crrev.com/061450ece090f8f8ad550cbe470dec03fbe5b487
Cr-Commit-Position: refs/heads/master@{#413737}

[xidachen, 2016-08-23 14:53:16]

The CQ bit was checked by xidachen@chromium.org

[xidachen, 2016-08-23 14:53:17]

Created Revert of Resolving drawImage issue with canvases that contain bitmap
images

[commit-bot: I haz the power, 2016-08-23 14:53:33]

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, 2016-08-23 14:54:19]

Description was changed from

==========
Revert of Resolving drawImage issue with canvases that contain bitmap images
(patchset #3 id:60001 of https://codereview.chromium.org/2267653005/ )

Reason for revert:
Causing this DCHECK:
m_context->getContextType() != CanvasRenderingContext::ContextImageBitmap

on this test:
transferFromImageBitmap-drawImage.html



Original issue's description:
> Adding proper check for canvas type to
> HTMLCanvasElement::getSourceImageForCanvas() such that
> drawImage can correctly draw canvases with bitmap images.
> 
> BUG=639841
> 
> Committed: https://crrev.com/4d29ebec048d83aac139ec5edcbe22d107351b7b
> Cr-Commit-Position: refs/heads/master@{#413731}

TBR=junov@chromium.org,zakerinasab@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=639841
==========

to

==========
Revert of Resolving drawImage issue with canvases that contain bitmap images
(patchset #3 id:60001 of https://codereview.chromium.org/2267653005/ )

Reason for revert:
Causing this DCHECK:
m_context->getContextType() != CanvasRenderingContext::ContextImageBitmap

on this test:
transferFromImageBitmap-drawImage.html



Original issue's description:
> Adding proper check for canvas type to
> HTMLCanvasElement::getSourceImageForCanvas() such that
> drawImage can correctly draw canvases with bitmap images.
> 
> BUG=639841
> 
> Committed: https://crrev.com/4d29ebec048d83aac139ec5edcbe22d107351b7b
> Cr-Commit-Position: refs/heads/master@{#413731}

TBR=junov@chromium.org,zakerinasab@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=639841
==========

[commit-bot: I haz the power, 2016-08-23 14:54:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-08-23 14:55:42]

Description was changed from

==========
Revert of Resolving drawImage issue with canvases that contain bitmap images
(patchset #3 id:60001 of https://codereview.chromium.org/2267653005/ )

Reason for revert:
Causing this DCHECK:
m_context->getContextType() != CanvasRenderingContext::ContextImageBitmap

on this test:
transferFromImageBitmap-drawImage.html



Original issue's description:
> Adding proper check for canvas type to
> HTMLCanvasElement::getSourceImageForCanvas() such that
> drawImage can correctly draw canvases with bitmap images.
> 
> BUG=639841
> 
> Committed: https://crrev.com/4d29ebec048d83aac139ec5edcbe22d107351b7b
> Cr-Commit-Position: refs/heads/master@{#413731}

TBR=junov@chromium.org,zakerinasab@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=639841
==========

to

==========
Revert of Resolving drawImage issue with canvases that contain bitmap images
(patchset #3 id:60001 of https://codereview.chromium.org/2267653005/ )

Reason for revert:
Causing this DCHECK:
m_context->getContextType() != CanvasRenderingContext::ContextImageBitmap

on this test:
transferFromImageBitmap-drawImage.html

Original issue's description:
> Adding proper check for canvas type to
> HTMLCanvasElement::getSourceImageForCanvas() such that
> drawImage can correctly draw canvases with bitmap images.
>
> BUG=639841
>
> Committed: https://crrev.com/4d29ebec048d83aac139ec5edcbe22d107351b7b
> Cr-Commit-Position: refs/heads/master@{#413731}

TBR=junov@chromium.org,zakerinasab@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=639841

Committed: https://crrev.com/061450ece090f8f8ad550cbe470dec03fbe5b487
Cr-Commit-Position: refs/heads/master@{#413737}
==========

[commit-bot: I haz the power, 2016-08-23 14:55:44]

Patchset 1 (id:??) landed as
https://crrev.com/061450ece090f8f8ad550cbe470dec03fbe5b487
Cr-Commit-Position: refs/heads/master@{#413737}