Rename g_shown in bubble delegates for Jumbo build

The function g_shown is defined in every bubble delegate.
When building using Jumbo those functions conflict with
each other. This commit fixes this by renaming the functions
to something more file specific.

Bug: 850484
Change-Id: I9df3a8e90ed77e95649cdb734cc4d7364b5fc310
Reviewed-on: https://chromium-review.googlesource.com/1096945
Reviewed-by: Ken Rockot <rockot@chromium.org>
Commit-Queue: Oscar Johansson <oscarj@opera.com>
Cr-Commit-Position: refs/heads/master@{#567166}
5 files changed