Extract theme and page properties for StatusView

Change-Id: I1f1c090a22cdb366fc67ab09afd65c80add1e489
Bug: 871798
Reviewed-on: https://chromium-review.googlesource.com/c/1372708
Reviewed-by: Theresa <twellington@chromium.org>
Commit-Queue: Tomasz Wiszkowski <ender@google.com>
Cr-Commit-Position: refs/heads/master@{#616775}
8 files changed