Update DevTools Chromium DEPS.

TBR=machenbach@chromium.org,liviurau@chromium.org

Bug: none
Change-Id: I1258092fec46cf8486dad6891c18285e392d2a0e
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3125678
Reviewed-by: Devtools Autoroller <devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Devtools Autoroller <devtools-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>

diff --git a/DEPS b/DEPS
index 82c0f08..d320781 100644
--- a/DEPS
+++ b/DEPS

@@ -35,11 +35,11 @@
 
   # Chromium build number for unit tests. It should be regularly updated to
   # the content of https://commondatastorage.googleapis.com/chromium-browser-snapshots/Linux_x64/LAST_CHANGE
-  'chromium_linux': '915834',
+  'chromium_linux': '916216',
   # the content of https://commondatastorage.googleapis.com/chromium-browser-snapshots/Win_x64/LAST_CHANGE
-  'chromium_win': '915820',
+  'chromium_win': '916206',
   # the content of https://commondatastorage.googleapis.com/chromium-browser-snapshots/Mac/LAST_CHANGE
-  'chromium_mac': '915839',
+  'chromium_mac': '916214',
 }
 
 # Only these hosts are allowed for dependencies in this DEPS file.