[cleanup] Remove redundant block_scope argument from DeclareClassVariable

R=neis@chromium.org

Review-Url: https://codereview.chromium.org/2690723002
Cr-Commit-Position: refs/heads/master@{#43144}

src/parsing/parser-base.h

@@ -4351,8 +4351,7 @@ typename ParserBase<Impl>::ExpressionT ParserBase<Impl>::ParseClassLiteral(
   RaiseLanguageMode(STRICT);
 
   ClassInfo class_info(this);
-  impl()->DeclareClassVariable(name, block_state.scope(), &class_info,
-                               class_token_pos, CHECK_OK);
+  impl()->DeclareClassVariable(name, &class_info, class_token_pos, CHECK_OK);
 
   if (Check(Token::EXTENDS)) {
     block_state.set_start_position(scanner()->location().end_pos);

src/parsing/parser.cc

@@ -3155,7 +3155,7 @@ ZoneList<Statement*>* Parser::ParseFunction(
   return body;
 }
 
-void Parser::DeclareClassVariable(const AstRawString* name, Scope* block_scope,
+void Parser::DeclareClassVariable(const AstRawString* name,
                                   ClassInfo* class_info, int class_token_pos,
                                   bool* ok) {
 #ifdef DEBUG
@@ -3165,7 +3165,7 @@ void Parser::DeclareClassVariable(const AstRawString* name, Scope* block_scope,
   if (name != nullptr) {
     class_info->proxy = factory()->NewVariableProxy(name, NORMAL_VARIABLE);
     Declaration* declaration = factory()->NewVariableDeclaration(
-        class_info->proxy, block_scope, class_token_pos);
+        class_info->proxy, scope(), class_token_pos);
     Declare(declaration, DeclarationDescriptor::NORMAL, CONST,
             Variable::DefaultInitializationFlag(CONST), ok);
   }

src/parsing/parser.h

@@ -359,7 +359,7 @@ class V8_EXPORT_PRIVATE Parser : public NON_EXPORTED_BASE(ParserBase<Parser>) {
                                     ZoneList<const AstRawString*>* names,
                                     int class_token_pos, int end_pos, bool* ok);
   V8_INLINE void DeclareClassVariable(const AstRawString* name,
-                                      Scope* block_scope, ClassInfo* class_info,
+                                      ClassInfo* class_info,
                                       int class_token_pos, bool* ok);
   V8_INLINE void DeclareClassProperty(const AstRawString* class_name,
                                       ClassLiteralProperty* property,

src/parsing/preparser.h

@@ -1138,7 +1138,7 @@ class PreParser : public ParserBase<PreParser> {
     return PreParserStatement::Default();
   }
   V8_INLINE void DeclareClassVariable(PreParserIdentifier name,
-                                      Scope* block_scope, ClassInfo* class_info,
+                                      ClassInfo* class_info,
                                       int class_token_pos, bool* ok) {}
   V8_INLINE void DeclareClassProperty(PreParserIdentifier class_name,
                                       PreParserExpression property,