GitLab

Adding an Init method to the Broadcaster, that gets invoked while initializing the host.
The Init method broadcasts the original on_power_battery value to the new processes.

BUG=153139

Review URL: https://codereview.chromium.org/401083002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@284599 0039d316-1c4b-4281-b951-d872f2087c98