JS: Add classHasGlobalName into NameResolution

Author: asgerf

javascript/ql/lib/semmle/javascript/internal/NameResolution.qll

@@ -485,4 +485,10 @@ module NameResolution {
       qualifiedName = append(prefix, step)
     )
   }
+
+  pragma[nomagic]
+  predicate classHasGlobalName(DataFlow::ClassNode cls, string name) {
+    cls.flowsTo(AccessPath::getAnAssignmentTo(name)) and
+    not cls.getTopLevel().isExterns() // don't propagate externs classes
+  }
 }

javascript/ql/lib/semmle/javascript/internal/UnderlyingTypes.qll

@@ -119,10 +119,4 @@ module UnderlyingTypes {
       // The caller is responsible for handling the class hierarchy.
     )
   }
-
-  pragma[nomagic]
-  private predicate classHasGlobalName(DataFlow::ClassNode cls, string name) {
-    cls.flowsTo(AccessPath::getAnAssignmentTo(name)) and
-    not cls.getTopLevel().isExterns() // don't propagate externs classes
-  }
 }