Roll chromium_revision df7fc05..2f90dd6 (353471:353472)

Change log: https://chromium.googlesource.com/chromium/src/+log/df7fc05..2f90dd6
Full diff: https://chromium.googlesource.com/chromium/src/+/df7fc05..2f90dd6

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/1398313002

Cr-Commit-Position: refs/heads/master@{#10244}
diff --git a/DEPS b/DEPS
index 5938264..4d70ed1 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': 'df7fc053021613ce247f6d70e9b48ec3c2e7b3b7',
+  'chromium_revision': '2f90dd693a682965f3931cc6becad6085b2cdbfc',
 }
 
 # NOTE: Prefer revision numbers to tags for svn deps. Use http rather than