[Media, UI] Change MediaNotification style to MediaStyle

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 c38033605b76f76f6ecd93d565b5361624c4fdb2..e265accd2e679b0bf298be24e9aefb1e97c95836 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1814,6 +1814,12 @@ const FeatureEntry kFeatureEntries[] = {
      IDS_FLAGS_GOOGLE_BRANDED_CONTEXT_MENU_DESCRIPTION, kOsDesktop,
      SINGLE_VALUE_TYPE(switches::kEnableGoogleBrandedContextMenu)},
 #endif
+#if defined(OS_ANDROID)
+    {"media-style-notification",
+     IDS_FLAGS_MEDIA_STYLE_NOTIFICATION_NAME,
+     IDS_FLAGS_MEDIA_STYLE_NOTIFICATION_DESCRIPTION, kOsAndroid,
+     FEATURE_VALUE_TYPE(chrome::android::kMediaStyleNotification)},
+#endif
     // NOTE: Adding new command-line switches requires adding corresponding
     // entries to enum "LoginCustomFlags" in histograms.xml. See note in
     // histograms.xml and don't forget to run AboutFlagsHistogramTest unit test.