mash: Add catalog/manifest etc. for telemetry tests binary for mash.

chrome/app/chrome_main_delegate.h

Index: chrome/app/chrome_main_delegate.h
diff --git a/chrome/app/chrome_main_delegate.h b/chrome/app/chrome_main_delegate.h
index 22ba58a9b27d9be0999703214fbd3acd81f72649..aaf785e15538da4d2851f084244355fb00986b9d 100644
--- a/chrome/app/chrome_main_delegate.h
+++ b/chrome/app/chrome_main_delegate.h
@@ -28,6 +28,10 @@ class ChromeMainDelegate : public content::ContentMainDelegate {
   explicit ChromeMainDelegate(base::TimeTicks exe_entry_point_ticks);
   ~ChromeMainDelegate() override;
 
+  using ServiceCatalogFactory =
+      base::RepeatingCallback<std::unique_ptr<base::Value>(void)>;
+  static void InstallServiceCatalogFactory(ServiceCatalogFactory factory);
+
  protected:
   // content::ContentMainDelegate implementation:
   bool BasicStartupComplete(int* exit_code) override;