Add /resources/shape.gif

Trying to add this first before https://codereview.chromium.org/186783003/

NOTRY=true

Review URL: https://codereview.chromium.org/187673007

git-svn-id: svn://svn.chromium.org/blink/trunk@168517 bbb929c8-8fbe-4397-9dbb-9b2b20218538
Mac: Update CSS appearance for input[type=color][list].

r168130 updated -webkit-appearance:menulist-button implementation. We should
update the CSS ruleset for input[type=color][list] too because it uses
menulist-button when it is styled.

BUG=345609
TEST=automated

Review URL: https://codereview.chromium.org/180163012

git-svn-id: svn://svn.chromium.org/blink/trunk@168519 bbb929c8-8fbe-4397-9dbb-9b2b20218538