Add missing visit methods
Add missing visit methods

R=vsm@google.com

Review URL: https://codereview.chromium.org/1033443003

ronlobo/dev_compiler,ochafik/dev_compiler,ochafik/dev_compiler,ronlobo/dev_compiler,ochafik/dev_compiler,ochafik/dev_compiler,ronlobo/dev_compiler,ronlobo/dev_compiler