Upgrade drive from deprecated base::JSONReader API

Bug: 1070409
Change-Id: Ib26b5d5d9a6ddf20da57c9e11be43de9cfb1d7be
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2212117
Reviewed-by: Stuart Langley <slangley@chromium.org>
Commit-Queue: Nigel Tao <nigeltao@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#771531}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 96a5cb26a10a0dd7acc4cf1c41525478022545d8
1 file changed