Mark NeedsManualRebaseline some tests for form control appearance.

This is a preparation to fix crbug.com/332311. We're going to update
native_theme_base, and it will affects some tests.

BUG=332311
TBR=keishi@chromium.org

Review URL: https://codereview.chromium.org/137823012

git-svn-id: svn://svn.chromium.org/blink/trunk@166082 bbb929c8-8fbe-4397-9dbb-9b2b20218538