Remove enable_media_router.

chrome/browser/policy/configuration_policy_handler_list_factory.cc

Index: chrome/browser/policy/configuration_policy_handler_list_factory.cc
diff --git a/chrome/browser/policy/configuration_policy_handler_list_factory.cc b/chrome/browser/policy/configuration_policy_handler_list_factory.cc
index b8f5f40fecbe859b324d50bb426144b8f11aa5cf..ed2762654e0042e9e3cde6a94397571c15d4cceb 100644
--- a/chrome/browser/policy/configuration_policy_handler_list_factory.cc
+++ b/chrome/browser/policy/configuration_policy_handler_list_factory.cc
@@ -431,7 +431,6 @@ const PolicyToPreferenceMapEntry kSimplePolicyMap[] = {
   { key::kNTPContentSuggestionsEnabled,
     ntp_snippets::prefs::kEnableSnippets,
     base::Value::Type::BOOLEAN },
-#if defined(ENABLE_MEDIA_ROUTER)
   { key::kEnableMediaRouter,
     prefs::kEnableMediaRouter,
     base::Value::Type::BOOLEAN },
@@ -440,7 +439,6 @@ const PolicyToPreferenceMapEntry kSimplePolicyMap[] = {
     prefs::kShowCastIconInToolbar,
     base::Value::Type::BOOLEAN },
 #endif  // !defined(OS_ANDROID)
-#endif  // defined(ENABLE_MEDIA_ROUTER)
 #if BUILDFLAG(ENABLE_WEBRTC)
   { key::kWebRtcUdpPortRange,
     prefs::kWebRTCUDPPortRange,