Revert of Roll ANGLE.

Revert of Roll ANGLE. (patchset #1 id:1 of https://codereview.chromium.org/579903002/)

Reason for revert:
Appears to be causing build failures. Here's an example.
http://build.chromium.org/p/chromium.gpu.fyi/builders/GPU%20Win%20Builder%20%28dbg%29/builds/12428/steps/steps/logs/stdio

Original issue's description:
> Roll ANGLE.
>
> Contains fixes for setting sampler uniforms.
>
> BUG=414450
>
> Committed: https://crrev.com/ee4fc3e3db62b0a19e39f575b8faecd2dcc2f88b
> Cr-Commit-Position: refs/heads/master@{#295519}

TBR=vmiura@chromium.org,geofflang@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=414450
Committed: https://crrev.com/66f40ead1d9e843856e8f251e50d03d1ea4c6f5a
Cr-Commit-Position: refs/heads/master@{#295529}

[Ian Vollick, 2014-09-18 19:36:07]

Created Revert of Roll ANGLE.

[commit-bot: I haz the power, 2014-09-18 19:38:23]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/585593002/1

[commit-bot: I haz the power, 2014-09-18 19:39:47]

Committed patchset #1 (id:1) as e396f5f3b7bde938dba732f8ea2ccc2c6d7e3dba

[commit-bot: I haz the power, 2014-09-18 19:40:56]

Patchset 1 (id:??) landed as
https://crrev.com/66f40ead1d9e843856e8f251e50d03d1ea4c6f5a
Cr-Commit-Position: refs/heads/master@{#295529}