chromeos: Move audio, power, and UI files into subdirs.

This moves more files from chrome/browser/chromeos/ into
subdirectories.

BUG=chromium-os:22896
TEST=did chrome os builds both with and without aura
TBR=sky

Review URL: http://codereview.chromium.org/9125006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@116746 0039d316-1c4b-4281-b951-d872f2087c98
void LowBatteryObserver::Show(base::TimeDelta remaining, bool urgent) {
  notification_.Show(l10n_util::GetStringFUTF16(IDS_LOW_BATTERY_MESSAGE,
      TimeFormat::TimeRemaining(remaining)), urgent, true);
  remaining_ = remaining.InMinutes();
}

void LowBatteryObserver::Show(base::TimeDelta remaining, bool urgent) {
  notification_.Show(l10n_util::GetStringFUTF16(IDS_LOW_BATTERY_MESSAGE,
      TimeFormat::TimeRemaining(remaining)), urgent, true);
  remaining_ = remaining.InMinutes();
}
