Roll chromium_revision 2cabef4e7d..50c7b3ce18 (424936:424992)
Roll chromium_revision 2cabef4e7d..50c7b3ce18 (424936:424992)

Change log: https://chromium.googlesource.com/chromium/src/+log/2cabef4e7d..50c7b3ce18
Full diff: https://chromium.googlesource.com/chromium/src/+/2cabef4e7d..50c7b3ce18

No dependencies changed.
No update to Clang.

TBR=
BUG=None

Review-Url: https://codereview.webrtc.org/2416443004
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#14629}

ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc