Roll chromium_revision efddbe79f2..a26ad25c4f (468249:468251)
Roll chromium_revision efddbe79f2..a26ad25c4f (468249:468251)

Change log: https://chromium.googlesource.com/chromium/src/+log/efddbe79f2..a26ad25c4f
Full diff: https://chromium.googlesource.com/chromium/src/+/efddbe79f2..a26ad25c4f

No dependencies changed.
No update to Clang.

TBR=
BUG=None

Review-Url: https://codereview.webrtc.org/2849053002
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#17951}

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