This CL attaches global functions of the panels
as instance variables of an app class.

Bug: v8:10667, v8:10644

Change-Id: Ib76730652f977ac81e3558ddb18165e938859512
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2297476
Commit-Queue: Zeynep Cankara <zcankara@google.com>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#68867}