Use EventRouter instead of ExtensionSystem::Get->event_router()

chrome/browser/chromeos/extensions/media_player_event_router.cc

Index: chrome/browser/chromeos/extensions/media_player_event_router.cc
diff --git a/chrome/browser/chromeos/extensions/media_player_event_router.cc b/chrome/browser/chromeos/extensions/media_player_event_router.cc
index fab73616addeb8459967e35e43eefbf09bf6ab24..e58764bace177ded0e60c9aa2cfa60817541cd4b 100644
--- a/chrome/browser/chromeos/extensions/media_player_event_router.cc
+++ b/chrome/browser/chromeos/extensions/media_player_event_router.cc
@@ -13,12 +13,11 @@ namespace extensions {
 
 static void BroadcastEvent(content::BrowserContext* context,
                            const std::string& event_name) {
-  if (context && extensions::ExtensionSystem::Get(context)->event_router()) {
+  if (context && EventRouter::Get(context)) {
     scoped_ptr<base::ListValue> args(new base::ListValue());
     scoped_ptr<extensions::Event> event(new extensions::Event(
         event_name, args.Pass()));
-    extensions::ExtensionSystem::Get(context)->event_router()->BroadcastEvent(
-        event.Pass());
+    EventRouter::Get(context)->BroadcastEvent(event.Pass());
   }
 }