chromeos: Add settings to control power management prefs.

chrome/browser/ui/webui/settings/md_settings_ui.cc

Index: chrome/browser/ui/webui/settings/md_settings_ui.cc
diff --git a/chrome/browser/ui/webui/settings/md_settings_ui.cc b/chrome/browser/ui/webui/settings/md_settings_ui.cc
index 83f48d8e4889b165b41d26c9afefa7a4e8a8cea8..3b7190ca317ba52a82c4e1e9e1fdc14ba331cdb4 100644
--- a/chrome/browser/ui/webui/settings/md_settings_ui.cc
+++ b/chrome/browser/ui/webui/settings/md_settings_ui.cc
@@ -210,15 +210,11 @@ MdSettingsUI::MdSettingsUI(content::WebUI* web_ui, const GURL& url)
                               arc::IsPlayStoreAvailable());
 
   // TODO(mash): Support Chrome power settings in Mash. crbug.com/644348
-  bool enable_power_settings =
-      !ash_util::IsRunningInMash() &&
-      (switches::PowerOverlayEnabled() ||
-       (ash::PowerStatus::Get()->IsBatteryPresent() &&
-        ash::PowerStatus::Get()->SupportsDualRoleDevices()));
+  bool enable_power_settings = !ash_util::IsRunningInMash();
   html_source->AddBoolean("enablePowerSettings", enable_power_settings);
   if (enable_power_settings) {
-    AddSettingsPageUIHandler(
-        base::MakeUnique<chromeos::settings::PowerHandler>());
+    AddSettingsPageUIHandler(base::MakeUnique<chromeos::settings::PowerHandler>(
+        profile->GetPrefs()));
   }
 #endif