Adding client code for new desktop First Run Experience.

chrome/browser/resources/welcome/welcome.js

Index: chrome/browser/resources/welcome/welcome.js
diff --git a/tools/clang/plugins/tests/missing_ctor_ignored_base.cpp b/chrome/browser/resources/welcome/welcome.js
similarity index 54%
copy from tools/clang/plugins/tests/missing_ctor_ignored_base.cpp
copy to chrome/browser/resources/welcome/welcome.js
index 6c4ddd4fc6c4a27e9721be91971255bd6f8bfd15..640ddb9dee21df4ddb670f708e51493d4cadc549 100644
--- a/tools/clang/plugins/tests/missing_ctor_ignored_base.cpp
+++ b/chrome/browser/resources/welcome/welcome.js
@@ -2,10 +2,5 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "missing_ctor_ignored_base.h"
-
-int main() {
-  MissingCtorsWithIgnoredBase one;
-  MissingCtorsWithIgnoredGrandBase two;
-  return 0;
-}
+// TODO(tmartino): Add handlers.
+console.log('JS test');