[chromeos] Add an about:power UI.

chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc

Index: chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
diff --git a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
index 1d9f7ba2df4994d30825cac35df7b5d1a46846da..baa9b94d32e007390b9367a927cf4d7602083f3a 100644
--- a/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
+++ b/chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc
@@ -110,6 +110,7 @@
 #include "chrome/browser/ui/webui/chromeos/login/oobe_ui.h"
 #include "chrome/browser/ui/webui/chromeos/mobile_setup_ui.h"
 #include "chrome/browser/ui/webui/chromeos/network_ui.h"
+#include "chrome/browser/ui/webui/chromeos/power_ui.h"
 #include "chrome/browser/ui/webui/chromeos/proxy_settings_ui.h"
 #include "chrome/browser/ui/webui/chromeos/salsa_ui.h"
 #include "chrome/browser/ui/webui/chromeos/sim_unlock_ui.h"
@@ -412,6 +413,8 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
     return &NewWebUI<chromeos::SlowTraceController>;
   if (url.host() == chrome::kChromeUINetworkHost)
     return &NewWebUI<chromeos::NetworkUI>;
+  if (url.host() == chrome::kChromeUIPowerHost)
+    return &NewWebUI<chromeos::PowerUI>;
 #endif  // defined(OS_CHROMEOS)
 #if !defined(OS_ANDROID) && !defined(OS_IOS)
   if (url.host() == chrome::kChromeUIChromeSigninHost)