Roll clang 300839:301384.

BUG=714769

Review-Url: https://codereview.chromium.org/2848923002
Cr-Original-Commit-Position: refs/heads/master@{#471047}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: a545baf74563a7bf60c5c6eb2e044e76cad48e0e
1 file changed