Fixing duplicated value in UseCounter.
Fixing duplicated value in UseCounter.

https://codereview.chromium.org/1379573002 seems to have duplicated the
UseCounter value 959 because I can't count. Fixing.

BUG=538674,529303
TBR=rtoy@chromium.org

Review URL: https://codereview.chromium.org/1388493003

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#352114}

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