Revert of expand unitests for color4f

Revert of expand unitests for color4f (patchset #1 id:1 of https://codereview.chromium.org/1622893002/ )

Reason for revert:
leaking shadercontext in test

Original issue's description:
> expand unitests for color4f
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1622893002
> 
> TBR=
> 
> Committed: https://skia.googlesource.com/skia/+/fac684502b6047ffc7dc2e59bd7e5a7cbfa5bf78

TBR=
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed: https://skia.googlesource.com/skia/+/5f34e8ed82e6cbf29401bda5d423a50a2ab6db74

[reed2, 2016-01-23 22:18:47]

Created Revert of expand unitests for color4f

[commit-bot: I haz the power, 2016-01-23 22:19:01]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1622923002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1622923002/1

[commit-bot: I haz the power, 2016-01-23 22:19:09]

Description was changed from

==========
Revert of expand unitests for color4f (patchset #1 id:1 of
https://codereview.chromium.org/1622893002/ )

Reason for revert:
leaking shadercontext in test

Original issue's description:
> expand unitests for color4f
> 
> 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/+/fac684502b6047ffc7dc2e59bd7e5a7cbfa5bf78

TBR=
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
==========

to

==========
Revert of expand unitests for color4f (patchset #1 id:1 of
https://codereview.chromium.org/1622893002/ )

Reason for revert:
leaking shadercontext in test

Original issue's description:
> expand unitests for color4f
> 
> 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/+/fac684502b6047ffc7dc2e59bd7e5a7cbfa5bf78

TBR=
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Committed:
https://skia.googlesource.com/skia/+/5f34e8ed82e6cbf29401bda5d423a50a2ab6db74
==========

[commit-bot: I haz the power, 2016-01-23 22:19:10]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/5f34e8ed82e6cbf29401bda5d423a50a2ab6db74