Roll chromium_revision b728d6759a..22a4567d56 (454873:454904)
Roll chromium_revision b728d6759a..22a4567d56 (454873:454904)

Change log: https://chromium.googlesource.com/chromium/src/+log/b728d6759a..22a4567d56
Full diff: https://chromium.googlesource.com/chromium/src/+/b728d6759a..22a4567d56

Changed dependencies:
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/c0eecdca4b..d75864a2c5
* src/build: https://chromium.googlesource.com/chromium/src/build/+log/a4be7dc521..bf8911f59b
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/8e233aa4fd..8b8111f841
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/7d64545bb6..c2c74bc1d1
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/05a8d019d2..4c0908d22e
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/9c53d80d9c..f85f0543bf
DEPS diff: https://chromium.googlesource.com/chromium/src/+/b728d6759a..22a4567d56/DEPS

No update to Clang.

TBR=
BUG=None

Review-Url: https://codereview.webrtc.org/2738463002
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#17073}

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