All graphs for this bug:
  https://chromeperf.appspot.com/group_report?bug_id=836501

(For debugging:) Original alerts at time of bug-filing:
  https://chromeperf.appspot.com/group_report?sid=f19f012a21929bcebf8b5e9ef03aea5914d43af50adb94f73a7e712a14949c20


Bot(s) for this bug's original alert(s):

win
win-32

Assigning to angle-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com because this is the only CL in range:
Roll src/third_party/angle/ aa8b3982a..c90d4d38c (10 commits)

https://chromium.googlesource.com/angle/angle.git/+log/aa8b3982aeeb..c90d4d38c895

$ git log aa8b3982a..c90d4d38c --date=short --no-merges --format='%ad %ae %s'
2018-04-17 jmadill Fix problematic query in TOutputGLSLBase::visitDeclaration.
2018-04-17 jmadill Revert "Vulkan: Fix issue in GlslWrapper and maxVaryingVectors calculation"
2018-04-17 jmadill Prerequisite code for simpler GlslangWrapper.
2018-04-13 lucferron Vulkan: Fix issue in GlslWrapper and maxVaryingVectors calculation
2018-04-17 lucferron Vulkan: clearRegionWithScissor did not determine the region correctly
2018-04-16 lfy GLES1: gl(Enable|Disable)ClientState
2018-04-17 jmadill Vulkan: Fix build after roll.
2018-04-17 jmadill Vulkan: Suppress ClearIssue test.
2018-04-16 jmadill Vulkan: Disable warning in Mock ICD.
2018-04-16 tobine Roll (2/2) to latest LVL as of 4/16/18

Created with:
  roll-dep src/third_party/angle
BUG= chromium:833736 


The AutoRoll server is located here: https://angle-chromium-roll.skia.org

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

If the roll is causing failures, please contact the current sheriff, who should
be CC'd on the roll, and stop the roller if necessary.


CQ_INCLUDE_TRYBOTS=luci.chromium.try:android_optional_gpu_tests_rel;luci.chromium.try:linux_optional_gpu_tests_rel;luci.chromium.try:mac_optional_gpu_tests_rel;luci.chromium.try:win_optional_gpu_tests_rel
TBR=jmadill@chromium.org

Change-Id: I5d6efbb528d3b927f3f9cc75385be40138ae451c
Reviewed-on: https://chromium-review.googlesource.com/1016171
Reviewed-by: angle-chromium-autoroll <angle-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Commit-Queue: angle-chromium-autoroll <angle-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#551636}

jmadill, as sheriff for this range, can you take a look? 200kib binary size increase on windows.

Duplicate of  issue 797428 , a side-effect of having to disable Vulkan to roll ANGLE. With  issue 643346  being close to fixed, this soon won't happen on Vulkan LVL rolls.