Subsequent refactoring will eliminate duplicate code.

BUG=angle:571

Change-Id: I086320beb5c432c326d29d047931575e6f2a1d64
Reviewed-on: https://chromium-review.googlesource.com/205603Tested-by: Jamie Madill <jmadill@chromium.org>
Reviewed-by: Shannon Woods <shannonwoods@chromium.org>