Remove enable_media_router.

extensions/renderer/dispatcher.cc

Index: extensions/renderer/dispatcher.cc
diff --git a/extensions/renderer/dispatcher.cc b/extensions/renderer/dispatcher.cc
index 4dcf0389e2b7fd0f8d7a1ccc456b58670f6267d1..8233eef8d443522e05f5b1b35c0de03846cb3ff8 100644
--- a/extensions/renderer/dispatcher.cc
+++ b/extensions/renderer/dispatcher.cc
@@ -750,7 +750,6 @@ std::vector<std::pair<const char*, int>> Dispatcher::GetJsResources() {
     // Platform app sources that are not API-specific..
     {"platformApp", IDR_PLATFORM_APP_JS},
 
-#if defined(ENABLE_MEDIA_ROUTER)
     {"chrome/browser/media/router/mojo/media_router.mojom",
      IDR_MEDIA_ROUTER_MOJOM_JS},
     {"media_router_bindings", IDR_MEDIA_ROUTER_BINDINGS_JS},
@@ -758,7 +757,6 @@ std::vector<std::pair<const char*, int>> Dispatcher::GetJsResources() {
     {"net/interfaces/ip_address.mojom", IDR_MOJO_IP_ADDRESS_MOJOM_JS},
     {"url/mojo/origin.mojom", IDR_ORIGIN_MOJOM_JS},
     {"url/mojo/url.mojom", IDR_MOJO_URL_MOJOM_JS},
-#endif  // defined(ENABLE_MEDIA_ROUTER)
   };
 
   if (base::FeatureList::IsEnabled(::features::kGuestViewCrossProcessFrames)) {