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

chrome/browser/about_flags.cc

Index: chrome/browser/about_flags.cc
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index b360a33a38ccb963e910f22f170559a1cc2144e0..6fd5d578600789af9befc7a92b13f6ad0a8c0098 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1531,12 +1531,14 @@ const FeatureEntry kFeatureEntries[] = {
      ENABLE_DISABLE_VALUE_TYPE(switches::kV8PacMojoOutOfProcess,
                                switches::kDisableOutOfProcessPac)},
 #if defined(ENABLE_MEDIA_ROUTER) && !defined(OS_ANDROID)
-    {"media-router", IDS_FLAGS_MEDIA_ROUTER_NAME,
-     IDS_FLAGS_MEDIA_ROUTER_DESCRIPTION, kOsDesktop,
-     ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(switches::kMediaRouter,
-                                         "1",
-                                         switches::kMediaRouter,
-                                         "0")},
+    {"load-media-router-component-extension",
+     IDS_FLAGS_LOAD_MEDIA_ROUTER_COMPONENT_EXTENSION_NAME,
+     IDS_FLAGS_LOAD_MEDIA_ROUTER_COMPONENT_EXTENSION_DESCRIPTION, kOsDesktop,
+     ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(
+         switches::kLoadMediaRouterComponentExtension,
+         "1",
+         switches::kLoadMediaRouterComponentExtension,
+         "0")},
 #endif  // ENABLE_MEDIA_ROUTER && !OS_ANDROID
 // Since Drive Search is not available when app list is disabled, flag guard
 // enable-drive-search-in-chrome-launcher flag.