Get rid of PreParserScope.

src/parser.h

 // 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.
 
 #ifndef V8_PARSER_H_
 #define V8_PARSER_H_
 
 #include "src/allocation.h"
 #include "src/ast.h"
 #include "src/compiler.h"  // For CachedDataMode
@@ skipping 340 matching lines @@
 class Parser;
 class SingletonLogger;
 
 class ParserTraits {
  public:
   struct Type {
     // TODO(marja): To be removed. The Traits object should contain all the data
     // it needs.
     typedef v8::internal::Parser* Parser;
 
-    // Used by FunctionState and BlockState.
-    typedef v8::internal::Scope Scope;
-    typedef v8::internal::Scope* ScopePtr;
-    inline static Scope* ptr_to_scope(ScopePtr scope) { return scope; }
-
     typedef Variable GeneratorVariable;
 
     typedef v8::internal::AstProperties AstProperties;
     typedef Vector<VariableProxy*> ParameterIdentifierVector;
 
     // Return types for traversing functions.
     typedef const AstRawString* Identifier;
     typedef v8::internal::Expression* Expression;
     typedef Yield* YieldExpression;
     typedef v8::internal::FunctionLiteral* FunctionLiteral;
@@ skipping 463 matching lines @@
   VariableProxy* NewUnresolved(const AstRawString* name,
                                VariableMode mode,
                                Interface* interface);
   void Declare(Declaration* declaration, bool resolve, bool* ok);
 
   bool TargetStackContainsLabel(const AstRawString* label);
   BreakableStatement* LookupBreakTarget(const AstRawString* label, bool* ok);
   IterationStatement* LookupContinueTarget(const AstRawString* label, bool* ok);
 
   // Factory methods.
-
-  Scope* NewScope(Scope* parent, ScopeType type,
-                  FunctionKind kind = kNormalFunction);
-
   FunctionLiteral* DefaultConstructor(bool call_super, Scope* scope, int pos,
                                       int end_pos);
 
   // Skip over a lazy function, either using cached data if we have it, or
   // by parsing the function with PreParser. Consumes the ending }.
   void SkipLazyFunctionBody(const AstRawString* function_name,
                             int* materialized_literal_count,
                             int* expected_property_count,
                             bool* ok);
 
@@ skipping 124 matching lines @@
 }
 
 
 Expression* ParserTraits::CloseTemplateLiteral(TemplateLiteralState* state,
                                                int start, Expression* tag) {
   return parser_->CloseTemplateLiteral(state, start, tag);
 }
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_