Re-enable blink_style benchmarks on reference builds.
Re-enable blink_style benchmarks on reference builds.

R=dstockwell
BUG=479048

Review URL: https://codereview.chromium.org/1644773002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#373296}

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