Revert of Exact Ganesh Gradients for Special Cases

Revert of Exact Ganesh Gradients for Special Cases (patchset #8 id:140001 of https://codereview.chromium.org/2223203003/ )

Reason for revert:
Chrome iOS build break
https://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device/builds/50777/steps/compile/logs/stdio
error: unused function 'close_to_one_half'

Original issue's description:
> Remove generalized gradient code
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2223203003
> 
> Committed: https://skia.googlesource.com/skia/+/0c63006b88a16e3418d92852a62771615799839d
> Committed: https://skia.googlesource.com/skia/+/99818d69372d29a139935cfe5c379e491432931b

TBR=bsalomon@google.com,fmenozzi@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/+/cf736d7b66d76917c3384c0ad2f4cdc6d52db2a1

[hal.canary, 2016-08-12 01:07:21]

The CQ bit was checked by halcanary@google.com

[hal.canary, 2016-08-12 01:07:21]

Created Revert of Exact Ganesh Gradients for Special Cases

[commit-bot: I haz the power, 2016-08-12 01:07:32]

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, 2016-08-12 01:07:41]

Description was changed from

==========
Revert of Exact Ganesh Gradients for Special Cases (patchset #8 id:140001 of
https://codereview.chromium.org/2223203003/ )

Reason for revert:
Chrome iOS build break
https://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device/build...
error: unused function 'close_to_one_half'

Original issue's description:
> Remove generalized gradient code
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2223203003
> 
> Committed:
https://skia.googlesource.com/skia/+/0c63006b88a16e3418d92852a62771615799839d
> Committed:
https://skia.googlesource.com/skia/+/99818d69372d29a139935cfe5c379e491432931b

TBR=bsalomon@google.com,fmenozzi@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 Exact Ganesh Gradients for Special Cases (patchset #8 id:140001 of
https://codereview.chromium.org/2223203003/ )

Reason for revert:
Chrome iOS build break
https://build.chromium.org/p/tryserver.chromium.mac/builders/ios-device/build...
error: unused function 'close_to_one_half'

Original issue's description:
> Remove generalized gradient code
> 
> BUG=skia:
> GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2223203003
> 
> Committed:
https://skia.googlesource.com/skia/+/0c63006b88a16e3418d92852a62771615799839d
> Committed:
https://skia.googlesource.com/skia/+/99818d69372d29a139935cfe5c379e491432931b

TBR=bsalomon@google.com,fmenozzi@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/+/cf736d7b66d76917c3384c0ad2f4cdc6d52db2a1
==========

[commit-bot: I haz the power, 2016-08-12 01:07:42]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/cf736d7b66d76917c3384c0ad2f4cdc6d52db2a1