Remove explict focus ring install for button subclasses

Since views button installs focus ring by deafult to show on keyboard
focus, this CL refactors all its subclasses to remove explicit
installation of focus ring. Only subclasses that need to override to
remove focus ring installation need to call
SetInstallFocusRingOnFocus(false) explicitly.

BUG=924232

Change-Id: Ia5bfce1fca6aaca16ae7e39106737de976e191fc
Reviewed-on: https://chromium-review.googlesource.com/c/1432252
Reviewed-by: Scott Violet <sky@chromium.org>
Commit-Queue: Wei Li <weili@chromium.org>
Cr-Commit-Position: refs/heads/master@{#625464}
14 files changed