Move suggest_permission_util.cc to extensions

      BUG=403276
R=benwells@chromium.org
TBR=sky@chromium.org for include fix under geolocation_permission_context_extensions.cc and protected_media_identifier_permission_context.cc

Review URL: https://codereview.chromium.org/486593003

Cr-Commit-Position: refs/heads/master@{#290510}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@290510 0039d316-1c4b-4281-b951-d872f2087c98