Roll chromium_revision e5fe50e808..2d6dcff9ac (437879:438085)

Change log: https://chromium.googlesource.com/chromium/src/+log/e5fe50e808..2d6dcff9ac
Full diff: https://chromium.googlesource.com/chromium/src/+/e5fe50e808..2d6dcff9ac

Changed dependencies:
* src/third_party/catapult: https://chromium.googlesource.com/external/github.com/catapult-project/catapult.git/+log/19565fdb14..e6e0862c81
* src/third_party/ffmpeg: https://chromium.googlesource.com/chromium/third_party/ffmpeg.git/+log/26be2ced90..f309edd782
DEPS diff: https://chromium.googlesource.com/chromium/src/+/e5fe50e808..2d6dcff9ac/DEPS

No update to Clang.

TBR=
BUG=None

Review-Url: https://codereview.webrtc.org/2569863004
Cr-Commit-Position: refs/heads/master@{#15560}
diff --git a/DEPS b/DEPS
index a55880b..17a0b3f 100644
--- a/DEPS
+++ b/DEPS
@@ -5,7 +5,7 @@
 
 vars = {
   'chromium_git': 'https://chromium.googlesource.com',
-  'chromium_revision': 'e5fe50e808d809a0306fdb8c211383fb079bacf7',
+  'chromium_revision': '2d6dcff9ac896f34b48945276029371eacbecc6a',
 }
 
 deps = {