Get rid of PreParserScope.

src/parser.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #include "src/api.h"
 #include "src/ast.h"
 #include "src/bailout-reason.h"
 #include "src/base/platform/platform.h"
@@ skipping 245 matching lines @@
     cached_parse_data_ = NULL;
   } else {
     DCHECK(info_->cached_data() != NULL);
     if (compile_options() == ScriptCompiler::kConsumeParserCache) {
       cached_parse_data_ = ParseData::FromCachedData(*info_->cached_data());
     }
   }
 }
 
 
-Scope* Parser::NewScope(Scope* parent, ScopeType scope_type,
-                        FunctionKind kind) {
-  DCHECK(ast_value_factory());
-  DCHECK(scope_type != MODULE_SCOPE || allow_harmony_modules());
-  DCHECK((scope_type == FUNCTION_SCOPE && IsValidFunctionKind(kind)) ||
-         kind == kNormalFunction);
-  Scope* result = new (zone())
-      Scope(isolate(), zone(), parent, scope_type, ast_value_factory());
-  bool uninitialized_this =
-      FLAG_experimental_classes && IsSubclassConstructor(kind);
-  result->Initialize(uninitialized_this);
-  return result;
-}
-
-
 FunctionLiteral* Parser::DefaultConstructor(bool call_super, Scope* scope,
                                             int pos, int end_pos) {
   int materialized_literal_count = -1;
   int expected_property_count = -1;
   int handler_count = 0;
   int parameter_count = 0;
   const AstRawString* name = ast_value_factory()->empty_string();
 
   Scope* function_scope =
       NewScope(scope, FUNCTION_SCOPE, FunctionKind::kDefaultConstructor);
@@ skipping 5174 matching lines @@
     } else {
       const uc16* data = reinterpret_cast<const uc16*>(raw_string->raw_data());
       running_hash = StringHasher::ComputeRunningHash(running_hash, data,
                                                       raw_string->length());
     }
   }
 
   return running_hash;
 }
 } }  // namespace v8::internal