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Just look at BUILD.gn and SystemInfo_test.mm, everything else is consistent with CL 2094583004 (Initial commit for Chrome meta installer https://codereview.chromium.org/2094583004/)

BUG=

patch from issue 2106523002 at patchset 60001 (http://crrev.com/2106523002#ps60001)

Review-Url: https://codereview.chromium.org/2137743002
Cr-Commit-Position: refs/heads/master@{#407573}