[parser] Refactor of Parse*Statement*, part 7

src/parsing/preparser.h

Index: src/parsing/preparser.h
diff --git a/src/parsing/preparser.h b/src/parsing/preparser.h
index ddc74c53180867f6fb679e7aeaffe5ce90ca0673..9b40af13570fe403a6ad1883b7c5045152766868 100644
--- a/src/parsing/preparser.h
+++ b/src/parsing/preparser.h
@@ -825,7 +825,6 @@ class PreParser : public ParserBase<PreParser> {
   Statement ParseClassDeclaration(ZoneList<const AstRawString*>* names,
                                   bool default_export, bool* ok);
   Statement ParseForStatement(ZoneList<const AstRawString*>* labels, bool* ok);
-  Statement ParseTryStatement(bool* ok);
   Expression ParseConditionalExpression(bool accept_IN, bool* ok);
   Expression ParseObjectLiteral(bool* ok);
 
@@ -946,6 +945,13 @@ class PreParser : public ParserBase<PreParser> {
       PreParserStatementList cases, Scope* scope) {
     return PreParserStatement::Default();
   }
+  V8_INLINE void RewriteCatchPattern(CatchInfo* catch_info, bool* ok) {}
+  V8_INLINE void ValidateCatchBlock(const CatchInfo& catch_info, bool* ok) {}
+  V8_INLINE PreParserStatement RewriteTryStatement(
+      PreParserStatement try_block, PreParserStatement catch_block,
+      PreParserStatement finally_block, const CatchInfo& catch_info, int pos) {
+    return PreParserStatement::Default();
+  }
 
   V8_INLINE PreParserExpression RewriteDoExpression(PreParserStatement body,
                                                     int pos, bool* ok) {
@@ -1180,7 +1186,7 @@ class PreParser : public ParserBase<PreParser> {
   }
 
   V8_INLINE static PreParserStatement NullStatement() {
-    return PreParserStatement::Default();
+    return PreParserStatement::Null();
   }
 
   V8_INLINE bool IsNullStatement(PreParserStatement stmt) {
@@ -1192,7 +1198,7 @@ class PreParser : public ParserBase<PreParser> {
   }
 
   V8_INLINE static PreParserStatement NullBlock() {
-    return PreParserStatement::Default();
+    return PreParserStatement::Null();
   }
 
   V8_INLINE PreParserIdentifier EmptyIdentifierString() const {