Support SystemTrayDelegate::ShowPowerSettings() in mustash

chrome/browser/ui/ash/system_tray_common.cc

Index: chrome/browser/ui/ash/system_tray_common.cc
diff --git a/chrome/browser/ui/ash/system_tray_common.cc b/chrome/browser/ui/ash/system_tray_common.cc
index c869c3f39001bee2f9f3f3be1d5b91316b4a35e4..c84409d9e2f0be9f421c1d1284ab81d923b83565 100644
--- a/chrome/browser/ui/ash/system_tray_common.cc
+++ b/chrome/browser/ui/ash/system_tray_common.cc
@@ -58,6 +58,12 @@ void SystemTrayCommon::ShowDisplaySettings() {
 }
 
 // static
+void SystemTrayCommon::ShowPowerSettings() {

[James Cook, 2016/09/27 23:23:13]

The reason for moving the if() conditions into //ash is that this file can't
depend on ash. (Under mustash, the ash code runs in a different process than the
browser, so browser can't poke directly into ash code.)

+  content::RecordAction(base::UserMetricsAction("Tray_ShowPowerOptions"));
+  ShowSettingsSubPageForActiveUser(chrome::kPowerOptionsSubPage);
+}
+
+// static
 void SystemTrayCommon::ShowChromeSlow() {
   chrome::ScopedTabbedBrowserDisplayer displayer(
       ProfileManager::GetPrimaryUserProfile());