GitLab

[Icons NTP] Use GetVariationParamValue instead of experiment prefix to determine when large icons are enabled.

This is the standard pattern for adding a forcing flags in about://flags.

This also matches a google3 change that just landed which declares that parameter.

BUG=467712

Review URL: https://codereview.chromium.org/1032073003

Cr-Commit-Position: refs/heads/master@{#322456}