I'm investigating how to make the IPC transfer a bit more secure on the

I'm investigating how to make the IPC transfer a bit more secure on the
skia side by adding some safety checks. This cl is about brainstorming
and proposing possible solutions for type checking at different stages.

BUG=
R=senorblanco@google.com, sugoi@google.com, scroggo@google.com, reed@android.com, senorblanco@chromium.org, mtklein@google.com, reed@google.com

Author: sugoi@chromium.org

Review URL: https://chromiumcodereview.appspot.com/22799007

git-svn-id: http://skia.googlecode.com/svn/trunk@11395 2bbb7eff-a529-9590-31e7-b0007b416f81