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I can't actually reproduce the bug as described by the reporter; this is
a blind change that expands the minimum width which should theoretically
fix the problem though.

BUG=400144

Review URL: https://codereview.chromium.org/453573003

Cr-Commit-Position: refs/heads/master@{#288253}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@288253 0039d316-1c4b-4281-b951-d872f2087c98