Revert of Moving SkBlurImageFilter into core

Revert of Moving SkBlurImageFilter into core (patchset #6 id:100001 of https://codereview.chromium.org/2255803003/ )

Reason for revert:
It looks like this breaks our roll into Google3:
https://test.corp.google.com/ui#id=OCL:130943857:BASE:130944046:1471881622765:61dbdd3

Original issue's description:
> Moving SkBlurImageFilter into core
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2255803003
> 
> Committed: https://skia.googlesource.com/skia/+/dd3259eb95c3b47e11eefa3b176365a112a32b48

TBR=reed@google.com,fmalita@chromium.org,vjiaoblack@google.com
# 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/+/2ec417257b5866b653af1af6ef5e91388cc40f49

[mtklein, 2016-08-22 16:25:43]

The CQ bit was checked by mtklein@google.com

[mtklein, 2016-08-22 16:25:44]

Created Revert of Moving SkBlurImageFilter into core

[commit-bot: I haz the power, 2016-08-22 16:25:53]

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, 2016-08-22 16:26:01]

Description was changed from

==========
Revert of Moving SkBlurImageFilter into core (patchset #6 id:100001 of
https://codereview.chromium.org/2255803003/ )

Reason for revert:
It looks like this breaks our roll into Google3:
https://test.corp.google.com/ui#id=OCL:130943857:BASE:130944046:1471881622765...

Original issue's description:
> Moving SkBlurImageFilter into core
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2255803003
> 
> Committed:
https://skia.googlesource.com/skia/+/dd3259eb95c3b47e11eefa3b176365a112a32b48

TBR=reed@google.com,fmalita@chromium.org,vjiaoblack@google.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=skia:
==========

to

==========
Revert of Moving SkBlurImageFilter into core (patchset #6 id:100001 of
https://codereview.chromium.org/2255803003/ )

Reason for revert:
It looks like this breaks our roll into Google3:
https://test.corp.google.com/ui#id=OCL:130943857:BASE:130944046:1471881622765...

Original issue's description:
> Moving SkBlurImageFilter into core
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2255803003
> 
> Committed:
https://skia.googlesource.com/skia/+/dd3259eb95c3b47e11eefa3b176365a112a32b48

TBR=reed@google.com,fmalita@chromium.org,vjiaoblack@google.com
# 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/+/2ec417257b5866b653af1af6ef5e91388cc40f49
==========

[commit-bot: I haz the power, 2016-08-22 16:26:02]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/2ec417257b5866b653af1af6ef5e91388cc40f49