Roll src/third_party/depot_tools/ 7e9e2c82b..b1c21a5af (1 commit)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/7e9e2c82bdf1..b1c21a5af2ec

$ git log 7e9e2c82b..b1c21a5af --date=short --no-merges --format='%ad %ae %s'
2018-04-11 cwallez presubmit_unittest.py: use LUCI for the optional GPU tests on Windows

Created with:
  roll-dep src/third_party/depot_tools
BUG=chromium:815092


The AutoRoll server is located here: https://depot-tools-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.


TBR=agable@chromium.org

Change-Id: I71e7fa6024b9faf97379628674ee729f21b50ace
Reviewed-on: https://chromium-review.googlesource.com/1010762
Commit-Queue: depot-tools-chromium-autoroll <depot-tools-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Reviewed-by: depot-tools-chromium-autoroll <depot-tools-chromium-autoroll@skia-buildbots.google.com.iam.gserviceaccount.com>
Cr-Commit-Position: refs/heads/master@{#550300}

DEPS

@@ -510,7 +510,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '7e9e2c82bdf1a5d2cb0374841777b732cf940348',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'b1c21a5af2ec8d77cd9f221473d2b724534b904e',
 
   'src/third_party/devtools-node-modules':
     Var('chromium_git') + '/external/github.com/ChromeDevTools/devtools-node-modules' + '@' + Var('devtools_node_modules_revision'),