Tweak VerifyNameMatchInternal comments slightly.
Tweak VerifyNameMatchInternal comments slightly.

One of the comments is slightly off. Also clarify that
it's intentionally two-pass as an optimization.

BUG=none

Review URL: https://codereview.chromium.org/1709743002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#388064}

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