Roll skia/third_party/externals/angle2/ e49058e75..6ee26d7a2 (3 commits)

https://chromium.googlesource.com/angle/angle.git/+log/e49058e7590d..6ee26d7a2e35

$ git log e49058e75..6ee26d7a2 --date=short --no-merges --format='%ad %ae %s'
2017-08-31 oetuaho Fix linking of non-existent XFB varyings with gl_ prefix
2017-05-18 oetuaho Remove webgl_ prefix from emulated function names
2017-08-30 cwallez FramebufferNULL::readPixels: write pixels for tests

Created with:
  roll-dep skia/third_party/externals/angle2
BUG=602737


Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+/master/autoroll/README.md

If the roll is causing failures, see:
http://www.chromium.org/developers/tree-sheriffs/sheriff-details-chromium#TOC-Failures-due-to-DEPS-rolls


CQ_INCLUDE_TRYBOTS=skia.primary:Perf-Win10-MSVC-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-ANGLE,Perf-Win10-MSVC-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-ANGLE,Perf-Win10-MSVC-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-ANGLE,Perf-Win10-MSVC-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-ANGLE,Perf-Win10-MSVC-ShuttleC-GPU-GTX960-x86_64-Debug-ANGLE,Perf-Win10-MSVC-ZBOX-GPU-GTX1070-x86_64-Debug-ANGLE,Test-Win10-MSVC-AlphaR2-GPU-RadeonR9M470X-x86_64-Debug-ANGLE,Test-Win10-MSVC-NUC5i7RYH-GPU-IntelIris6100-x86_64-Debug-ANGLE,Test-Win10-MSVC-NUC6i5SYK-GPU-IntelIris540-x86_64-Debug-ANGLE,Test-Win10-MSVC-NUCD34010WYKH-GPU-IntelHD4400-x86_64-Debug-ANGLE,Test-Win10-MSVC-ShuttleC-GPU-GTX960-x86_64-Debug-ANGLE,Test-Win10-MSVC-ZBOX-GPU-GTX1070-x86_64-Debug-ANGLE
TBR=djsollen@google.com

Change-Id: I83524719a04bee8e8438c2536e91eb1d3e77d3a6
Reviewed-on: https://skia-review.googlesource.com/41603
Reviewed-by: angle-deps-roller . <angle-deps-roller@chromium.org>
Commit-Queue: angle-deps-roller . <angle-deps-roller@chromium.org>
1 file changed