[Underscore Migration] Migrate entrypoints

This patch is part of the underscore migration that adds the private
keyword to all properties that start with an underscore and removes the
underscore.

Bug:chromium:1207342
Change-Id: Iec114859ae3f46457bafa2d823e11add202c6eb2
Reviewed-on: https://chromium-review.googlesource.com/c/devtools/devtools-frontend/+/3077887
Commit-Queue: Jan Scheffler <janscheffler@chromium.org>
Auto-Submit: Jan Scheffler <janscheffler@chromium.org>
Reviewed-by: Tim van der Lippe <tvanderlippe@chromium.org>
diff --git a/scripts/check_experiments.js b/scripts/check_experiments.js
index 1ee1cda..28c82ea 100644
--- a/scripts/check_experiments.js
+++ b/scripts/check_experiments.js
@@ -124,7 +124,7 @@
   }
 
   // Find function in MainImpl Class
-  const initializeExperimentNode = findFunctionInClass(mainImplClassNode, '_initializeExperiments');
+  const initializeExperimentNode = findFunctionInClass(mainImplClassNode, 'initializeExperiments');
   if (!initializeExperimentNode) {
     return null;
   }