[Parser] Remove Variable::is_possibly_eval.

src/parsing/preparser.h

Index: src/parsing/preparser.h
diff --git a/src/parsing/preparser.h b/src/parsing/preparser.h
index 26ddf233b4f3a91663400c4f8f097c297b1a1e3f..41711d6f5c6490dba9cb31ea3e343f27df6c842b 100644
--- a/src/parsing/preparser.h
+++ b/src/parsing/preparser.h
@@ -520,10 +520,11 @@ class PreParserFactory {
                                         int pos) {
     return PreParserExpression::Default();
   }
-  PreParserExpression NewCall(PreParserExpression expression,
-                              PreParserExpressionList arguments,
-                              int pos) {
-    if (expression.IsIdentifier() && expression.AsIdentifier().IsEval()) {
+  PreParserExpression NewCall(
+      PreParserExpression expression, PreParserExpressionList arguments,
+      int pos, Call::PossiblyEval possibly_eval = Call::NOT_EVAL) {
+    if (possibly_eval == Call::IS_POSSIBLY_EVAL) {
+      DCHECK(expression.IsIdentifier() && expression.AsIdentifier().IsEval());
       return PreParserExpression::CallEval();
     }
     return PreParserExpression::Call();