Revert of change all factories to return their base-class

Revert of change all factories to return their base-class (patchset #1 id:1 of https://codereview.chromium.org/1535353002/ )

Reason for revert:
need to update some chrome/blink call-sites

Original issue's description:
> change all factories to return their base-class
> 
> will watch DEPS roll to see if there are chrome sites needing updates
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1535353002
> 
> TBR=
> 
> Committed: https://skia.googlesource.com/skia/+/d63f60a36327e9580861205ebb35cade8c49bd34

TBR=
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed: https://skia.googlesource.com/skia/+/2d6ba6690f8951e152d8e793191b14afd52f5506

[reed2, 2015-12-21 04:08:11]

Created Revert of change all factories to return their base-class

[commit-bot: I haz the power, 2015-12-21 04:08:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1540203002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1540203002/1

[commit-bot: I haz the power, 2015-12-21 04:08:49]

Description was changed from

==========
Revert of change all factories to return their base-class (patchset #1 id:1 of
https://codereview.chromium.org/1535353002/ )

Reason for revert:
need to update some chrome/blink call-sites

Original issue's description:
> change all factories to return their base-class
> 
> will watch DEPS roll to see if there are chrome sites needing updates
> 
> BUG=skia:
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> TBR=
> 
> Committed:
https://skia.googlesource.com/skia/+/d63f60a36327e9580861205ebb35cade8c49bd34

TBR=
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
==========

to

==========
Revert of change all factories to return their base-class (patchset #1 id:1 of
https://codereview.chromium.org/1535353002/ )

Reason for revert:
need to update some chrome/blink call-sites

Original issue's description:
> change all factories to return their base-class
> 
> will watch DEPS roll to see if there are chrome sites needing updates
> 
> BUG=skia:
> GOLD_TRYBOT_URL=
https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&is...
> 
> TBR=
> 
> Committed:
https://skia.googlesource.com/skia/+/d63f60a36327e9580861205ebb35cade8c49bd34

TBR=
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed:
https://skia.googlesource.com/skia/+/2d6ba6690f8951e152d8e793191b14afd52f5506
==========

[commit-bot: I haz the power, 2015-12-21 04:08:49]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/2d6ba6690f8951e152d8e793191b14afd52f5506

[reed2, 2015-12-21 16:52:23]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/1533373002/ by reed@chromium.org.

The reason for reverting is: chrome changes have landed.