Do not call CGFontSetShouldUseMulticache. Apple says to not.

BUG=255125
R=thakis@chromium.org

Review URL: https://codereview.chromium.org/18140002

git-svn-id: svn://svn.chromium.org/blink/trunk@153513 bbb929c8-8fbe-4397-9dbb-9b2b20218538
[DevTools] Fix JS compilation warning.

BUG=
R=vsevik@chromium.org

Review URL: https://codereview.chromium.org/18652003

git-svn-id: svn://svn.chromium.org/blink/trunk@153514 bbb929c8-8fbe-4397-9dbb-9b2b20218538