[Media Router] Update Media Router flags post-launch.

chrome/test/media_router/media_router_base_browsertest.h

Index: chrome/test/media_router/media_router_base_browsertest.h
diff --git a/chrome/test/media_router/media_router_base_browsertest.h b/chrome/test/media_router/media_router_base_browsertest.h
index 92fb3acdd7a56f89888e3fcff8ea8a4cb3a9635b..040600a5840a264a6ebe55f8c6e4779abe09928e 100644
--- a/chrome/test/media_router/media_router_base_browsertest.h
+++ b/chrome/test/media_router/media_router_base_browsertest.h
@@ -13,7 +13,6 @@
 #include "base/timer/timer.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "extensions/browser/process_manager_observer.h"
-#include "extensions/common/feature_switch.h"
 
 namespace media_router {
 
@@ -79,7 +78,6 @@ class MediaRouterBaseBrowserTest : public ExtensionBrowserTest,
   bool extension_host_created_;
 
  private:
-  extensions::FeatureSwitch::ScopedOverride feature_override_;
   DISALLOW_COPY_AND_ASSIGN(MediaRouterBaseBrowserTest);
 };