Roll chromium_revision 1ae58559b7..4476bd69d1 (612179:621990)

Change log: https://chromium.googlesource.com/chromium/src/+log/1ae58559b7..4476bd69d1
Full diff: https://chromium.googlesource.com/chromium/src/+/1ae58559b7..4476bd69d1

Changed dependencies:
* src/base: https://chromium.googlesource.com/chromium/src/base/+log/295ee1c89a..162a5d66ad
* src/build: https://chromium.googlesource.com/chromium/src/build/+log/854ff0514a..669e41d6f1
* src/buildtools: https://chromium.googlesource.com/chromium/buildtools.git/+log/04161ec8d7..0e1cbc4eab
* src/ios: https://chromium.googlesource.com/chromium/src/ios/+log/e217e3709f..44be3c093c
* src/testing: https://chromium.googlesource.com/chromium/src/testing/+log/7d3e0c43d6..b1c6aeebea
* src/third_party: https://chromium.googlesource.com/chromium/src/third_party/+log/ebb1b22c25..be3e0fc18f
* src/third_party/android_tools: https://chromium.googlesource.com/android_tools.git/+log/6fecaa542f..e958d6ea74
* src/third_party/catapult: https://chromium.googlesource.com/catapult.git/+log/eee0f6ad0d..a24a725f78
* src/third_party/freetype/src: https://chromium.googlesource.com/chromium/src/third_party/freetype2.git/+log/3dd4e76b19..d01e28f41f
* src/third_party/harfbuzz-ng/src: https://chromium.googlesource.com/external/github.com/harfbuzz/harfbuzz.git/+log/574d888c8a..26c5b54fb0
* src/third_party/icu: https://chromium.googlesource.com/chromium/deps/icu.git/+log/407b39301e..d65301491c
* src/tools: https://chromium.googlesource.com/chromium/src/tools/+log/94c5e5f5d9..419541c835
* src/tools/swarming_client: https://chromium.googlesource.com/infra/luci/client-py.git/+log/157bec8a25..0e3e1c4dc4
DEPS diff: https://chromium.googlesource.com/chromium/src/+/1ae58559b7..4476bd69d1/DEPS

Clang version changed 346388:350768
Details: https://chromium.googlesource.com/chromium/src/+/1ae58559b7..4476bd69d1/tools/clang/scripts/update.py

TBR=libyuv-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com
BUG=None

Change-Id: I08f3a5d2feb0b8db4b3412044a0683c08aa882fb
Reviewed-on: https://chromium-review.googlesource.com/c/1406851
Reviewed-by: <libyuv-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>
Commit-Queue: <libyuv-ci-autoroll-builder@chops-service-accounts.iam.gserviceaccount.com>