Remove enable_media_router.

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 8da59047d793d0fdb92d47f4a743ce8ae88fd1b0..40036870325f72fe362af948e8a53c4d9f45e42a 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1172,8 +1172,7 @@ const FeatureEntry kFeatureEntries[] = {
      IDS_FLAGS_OVERSCROLL_HISTORY_NAVIGATION_NAME,
      IDS_FLAGS_OVERSCROLL_HISTORY_NAVIGATION_DESCRIPTION, kOsAura,
      MULTI_VALUE_TYPE(kOverscrollHistoryNavigationChoices)},
-    {"overscroll-start-threshold",
-     IDS_FLAGS_OVERSCROLL_START_THRESHOLD_NAME,
+    {"overscroll-start-threshold", IDS_FLAGS_OVERSCROLL_START_THRESHOLD_NAME,
      IDS_FLAGS_OVERSCROLL_START_THRESHOLD_DESCRIPTION, kOsAura,
      MULTI_VALUE_TYPE(kOverscrollStartThresholdChoices)},
 #endif  // USE_AURA
@@ -1629,7 +1628,7 @@ const FeatureEntry kFeatureEntries[] = {
      SINGLE_VALUE_TYPE_AND_VALUE(
          switches::kSyncServiceURL,
          "https://chrome-sync.sandbox.google.com/chrome-sync/alpha")},
-#if defined(ENABLE_MEDIA_ROUTER) && !defined(OS_ANDROID)
+#if !defined(OS_ANDROID)
     {"load-media-router-component-extension",
      IDS_FLAGS_LOAD_MEDIA_ROUTER_COMPONENT_EXTENSION_NAME,
      IDS_FLAGS_LOAD_MEDIA_ROUTER_COMPONENT_EXTENSION_DESCRIPTION, kOsDesktop,
@@ -1638,7 +1637,7 @@ const FeatureEntry kFeatureEntries[] = {
          "1",
          switches::kLoadMediaRouterComponentExtension,
          "0")},
-#endif  // ENABLE_MEDIA_ROUTER && !OS_ANDROID
+#endif  // !OS_ANDROID
 // Since Drive Search is not available when app list is disabled, flag guard
 // enable-drive-search-in-chrome-launcher flag.
 #if BUILDFLAG(ENABLE_APP_LIST)