[wip-test] Test if any bot test calls utility media IPC

chrome/utility/extensions/extensions_handler.cc

Index: chrome/utility/extensions/extensions_handler.cc
diff --git a/chrome/utility/extensions/extensions_handler.cc b/chrome/utility/extensions/extensions_handler.cc
index f6f37b1f8effbc650f9f9bb1258803056bcf61c8..2fa8204f343c8cdd6121a65c833c77a15137def4 100644
--- a/chrome/utility/extensions/extensions_handler.cc
+++ b/chrome/utility/extensions/extensions_handler.cc
@@ -90,6 +90,8 @@ class MediaParserImpl : public extensions::mojom::MediaParser {
   void CheckMediaFile(base::TimeDelta decode_time,
                       base::File file,
                       const CheckMediaFileCallback& callback) override {
+    NOTREACHED(); // HACK to see if any test calls this API
+
 #if !defined(MEDIA_DISABLE_FFMPEG)
     media::MediaFileChecker checker(std::move(file));
     callback.Run(checker.Start(decode_time));