[parser] Refactor of ParseFunctionDeclaration

src/parsing/parser.h

Index: src/parsing/parser.h
diff --git a/src/parsing/parser.h b/src/parsing/parser.h
index 86680e1683d713dcb112b0cafe99cdc7cd1723f6..c2086be4ed7ca4c84c237e788dfc0403787e42df 100644
--- a/src/parsing/parser.h
+++ b/src/parsing/parser.h
@@ -269,7 +269,6 @@ class Parser : public ParserBase<Parser> {
           location(location) {}
   };
   ZoneList<const NamedImport*>* ParseNamedImports(int pos, bool* ok);
-  Statement* ParseFunctionDeclaration(bool* ok);
   Block* BuildInitializationBlock(DeclarationParsingResult* parsing_result,
                                   ZoneList<const AstRawString*>* names,
                                   bool* ok);
@@ -311,8 +310,6 @@ class Parser : public ParserBase<Parser> {
   V8_INLINE Statement* DeclareNative(const AstRawString* name, int pos,
                                      bool* ok);
 
-  Expression* ParseYieldStarExpression(bool* ok);
-
   class PatternRewriter final : public AstVisitor<PatternRewriter> {
    public:
     static void DeclareAndInitializeVariables(