GitLab

Applies to:
  * chrome://snippets-internals/
  * chrome://popular-sites-internals/

It's nice to start the user off at zoom 1.0, but there's no good reason
to disallow zooming in further.

BUG=none
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:closure_compilation

Review-Url: https://codereview.chromium.org/2552883011
Cr-Commit-Position: refs/heads/master@{#437866}