Roll chromium_revision 667cccbd62..7ae70b716a (394017:394093)

Change log: https://chromium.googlesource.com/chromium/src/+log/667cccbd62..7ae70b716a
Full diff: https://chromium.googlesource.com/chromium/src/+/667cccbd62..7ae70b716a

No dependencies changed.
No update to Clang.

TBR=

Review-Url: https://codereview.webrtc.org/1986063003
Cr-Commit-Position: refs/heads/master@{#12774}
diff --git a/DEPS b/DEPS
index 8d800cf..f3bf076 100644
--- a/DEPS
+++ b/DEPS
@@ -6,7 +6,7 @@
 vars = {
   'extra_gyp_flag': '-Dextra_gyp_flag=0',
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': '667cccbd623513ca31279c4fc6338fb684c8ab61',
+  'chromium_revision': '7ae70b716aa5221221412e35796d07b5cb852292',
 }
 
 # NOTE: Use http rather than https; the latter can cause problems for users