Copy ash/system/power/power_supply_status.* to src/chromeos

Copy power_supply_status.*
Move #ifdef trick from power_manager_client.h to power_supply_status.h
Add chromeos.gyp
Add dependency from ash to chromeos when chromeos==1

BUG=119583
TEST=build success, checkdeps success

Review URL: https://chromiumcodereview.appspot.com/9837075

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@130796 0039d316-1c4b-4281-b951-d872f2087c98
12 files changed