[parser] Cleanup: remove unused parameters to DeclareFunction

R=adamk

Review-Url: https://codereview.chromium.org/2677373002
Cr-Commit-Position: refs/heads/master@{#42976}

src/parsing/parser-base.h

@@ -3881,7 +3881,6 @@ ParserBase<Impl>::ParseHoistableDeclaration(
       !is_async && !(allow_harmony_restrictive_generators() && is_generator);
 
   return impl()->DeclareFunction(variable_name, function, mode, pos,
-                                 is_generator, is_async,
                                  is_sloppy_block_function, names, ok);
 }
 

src/parsing/parser.cc

@@ -1481,8 +1481,7 @@ void Parser::DeclareAndInitializeVariables(
 
 Statement* Parser::DeclareFunction(const AstRawString* variable_name,
                                    FunctionLiteral* function, VariableMode mode,
-                                   int pos, bool is_generator, bool is_async,
-                                   bool is_sloppy_block_function,
+                                   int pos, bool is_sloppy_block_function,
                                    ZoneList<const AstRawString*>* names,
                                    bool* ok) {
   VariableProxy* proxy =

src/parsing/parser.h

@@ -351,8 +351,7 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
 
   Statement* DeclareFunction(const AstRawString* variable_name,
                              FunctionLiteral* function, VariableMode mode,
-                             int pos, bool is_generator, bool is_async,
-                             bool is_sloppy_block_function,
+                             int pos, bool is_sloppy_block_function,
                              ZoneList<const AstRawString*>* names, bool* ok);
   V8_INLINE Statement* DeclareClass(const AstRawString* variable_name,
                                     Expression* value,

src/parsing/preparser.h

@@ -1104,9 +1104,8 @@ class PreParser : public ParserBase<PreParser> {
 
   V8_INLINE PreParserStatement DeclareFunction(
       PreParserIdentifier variable_name, PreParserExpression function,
-      VariableMode mode, int pos, bool is_generator, bool is_async,
-      bool is_sloppy_block_function, ZoneList<const AstRawString*>* names,
-      bool* ok) {
+      VariableMode mode, int pos, bool is_sloppy_block_function,
+      ZoneList<const AstRawString*>* names, bool* ok) {
     DCHECK_NULL(names);
     if (variable_name.string_ != nullptr) {
       DCHECK(track_unresolved_variables_);