Revert of Revert of Support GLSL es 3.00 (patchset #1 id:1 of https://codereview...

Revert of Revert of Support GLSL es 3.00 (patchset #1 id:1 of https://codereview.chromium.org/661603009/)

Reason for revert:
DEPS roll still failing:
https://codereview.chromium.org/661993002/

Reverting the revert.

Original issue's description:
> Revert of Support GLSL es 3.00 (patchset #5 id:80001 of https://codereview.chromium.org/659443007/)
>
> Reason for revert:
> Trying to fix DEPS roll failure:
> https://codereview.chromium.org/660113002/
>
> Link to failing builds:
> http://build.chromium.org/p/tryserver.blink/builders/linux_blink_rel/builds/29578
> http://build.chromium.org/p/tryserver.blink/builders/linux_blink_dbg/builds/29354
>
> Original issue's description:
> > Support GLSL es 3.00
> >
> > BUG=skia:
> >
> > Committed: https://skia.googlesource.com/skia/+/62372bcc6abe3537dac98dd9b9172cf3b85afa2b
>
> TBR=bsalomon@google.com,joshualitt@google.com,joshualitt@chromium.org
> NOTREECHECKS=true
> NOTRY=true
> BUG=skia:
>
> Committed: https://skia.googlesource.com/skia/+/79b2b1fb12202d22411b607a095cb26c6e4fe8b7

TBR=bsalomon@google.com,joshualitt@google.com,joshualitt@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=skia:

Review URL: https://codereview.chromium.org/647043005