Roll chromium_revision c29f20c..3796a7a (361043:361065)

Change log: https://chromium.googlesource.com/chromium/src/+log/c29f20c..3796a7a
Full diff: https://chromium.googlesource.com/chromium/src/+/c29f20c..3796a7a

No dependencies changed.
No update to Clang.

TBR=
CQ_EXTRA_TRYBOTS=tryserver.webrtc:win_baremetal,mac_baremetal,linux_baremetal

Review URL: https://codereview.webrtc.org/1467913003

Cr-Commit-Position: refs/heads/master@{#10742}
diff --git a/DEPS b/DEPS
index 401fad1..205027a 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': 'c29f20c8bd73d5c6e3c0bd45e11c1bcf738ceb37',
+  'chromium_revision': '3796a7aee693597269cfc8d34172c8cb90292d1e',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than