Roll src/third_party/depot_tools/ ad64abd69..b278ddd93 (1 commit)

https://chromium.googlesource.com/chromium/tools/depot_tools.git/+log/ad64abd69aed..b278ddd93923

$ git log ad64abd69..b278ddd93 --date=short --no-merges --format='%ad %ae %s'
2017-12-04 myjang [presubmit] Remove line

Created with:
  roll-dep src/third_party/depot_tools


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=phajdan.jr@chromium.org

Change-Id: Idca5d12e96bb4a3c156f449b7554439529337fc2
Reviewed-on: https://chromium-review.googlesource.com/806438Reviewed-by: depot-tools-roller . <depot-tools-roller@chromium.org>
Commit-Queue: depot-tools-roller . <depot-tools-roller@chromium.org>
Cr-Commit-Position: refs/heads/master@{#521479}

DEPS

@@ -318,7 +318,7 @@ deps = {
   },
 
   'src/third_party/depot_tools':
-    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'ad64abd69aedabe7da5db9ca6de6fd28fca879d2',
+    Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + 'b278ddd9392390c5136079638f7fadb0d6c55f6b',
 
   # DevTools node modules. Used on Linux buildbots only.
   'src/third_party/devtools-node-modules': {