Revert of Boost GrGLConicEffect's variables to all high precision

Revert of Boost GrGLConicEffect's variables to all high precision (patchset #1 id:1 of https://codereview.chromium.org/1513483002/ )

Reason for revert:
Broke build

Original issue's description:
> Boost GrGLConicEffect's variables to all high precision
> 
> BUG=555779
> 
> Committed: https://skia.googlesource.com/skia/+/624c59a1c7af38eb83e803f345a6f3e225475a08

TBR=egdaniel@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=555779
Committed: https://skia.googlesource.com/skia/+/07073642eb471d84aa56b5f695f129d793556eaf

[robertphillips, 2015-12-09 15:09:01]

Created Revert of Boost GrGLConicEffect's variables to all high precision

[commit-bot: I haz the power, 2015-12-09 15:09:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1514553002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1514553002/1

[commit-bot: I haz the power, 2015-12-09 15:09:24]

Description was changed from

==========
Revert of Boost GrGLConicEffect's variables to all high precision (patchset #1
id:1 of https://codereview.chromium.org/1513483002/ )

Reason for revert:
Broke build

Original issue's description:
> Boost GrGLConicEffect's variables to all high precision
> 
> BUG=555779
> 
> Committed:
https://skia.googlesource.com/skia/+/624c59a1c7af38eb83e803f345a6f3e225475a08

TBR=egdaniel@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=555779
==========

to

==========
Revert of Boost GrGLConicEffect's variables to all high precision (patchset #1
id:1 of https://codereview.chromium.org/1513483002/ )

Reason for revert:
Broke build

Original issue's description:
> Boost GrGLConicEffect's variables to all high precision
> 
> BUG=555779
> 
> Committed:
https://skia.googlesource.com/skia/+/624c59a1c7af38eb83e803f345a6f3e225475a08

TBR=egdaniel@google.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=555779

Committed:
https://skia.googlesource.com/skia/+/07073642eb471d84aa56b5f695f129d793556eaf
==========

[commit-bot: I haz the power, 2015-12-09 15:09:24]

Committed patchset #1 (id:1) as
https://skia.googlesource.com/skia/+/07073642eb471d84aa56b5f695f129d793556eaf