Remove Parser::scanner(). There is already ParserBase::scanner().

src/parser.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 552 matching lines @@
 
   // Report syntax error
   void ReportInvalidPreparseData(Handle<String> name, bool* ok);
 
   void set_pre_parse_data(ScriptDataImpl *data) {
     pre_parse_data_ = data;
     symbol_cache_.Initialize(data ? data->symbol_count() : 0, zone());
   }
 
   bool inside_with() const { return scope_->inside_with(); }
-  Scanner& scanner()  { return scanner_; }
   Mode mode() const { return mode_; }
   ScriptDataImpl* pre_parse_data() const { return pre_parse_data_; }
   bool is_extended_mode() {
     ASSERT(scope_ != NULL);
     return scope_->is_extended_mode();
   }
   Scope* DeclarationScope(VariableMode mode) {
     return IsLexicalVariableMode(mode)
         ? scope_ : scope_->DeclarationScope();
   }
@@ skipping 78 matching lines @@
       int function_token_position,
       FunctionLiteral::FunctionType type,
       bool* ok);
 
   // Magical syntax support.
   Expression* ParseV8Intrinsic(bool* ok);
 
   bool CheckInOrOf(bool accept_OF, ForEachStatement::VisitMode* visit_mode);
 
   Handle<String> LiteralString(PretenureFlag tenured) {
-    if (scanner().is_literal_ascii()) {
+    if (scanner()->is_literal_ascii()) {
       return isolate_->factory()->NewStringFromAscii(
-          scanner().literal_ascii_string(), tenured);
+          scanner()->literal_ascii_string(), tenured);
     } else {
       return isolate_->factory()->NewStringFromTwoByte(
-            scanner().literal_utf16_string(), tenured);
+            scanner()->literal_utf16_string(), tenured);
     }
   }
 
   // Get odd-ball literals.
   Literal* GetLiteralUndefined(int position);
   Literal* GetLiteralTheHole(int position);
 
   // Determine if the expression is a variable proxy and mark it as being used
   // in an assignment or with a increment/decrement operator. This is currently
   // used on for the statically checking assignments to harmony const bindings.
@@ skipping 98 matching lines @@
  private:
   static const int kLiteralTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_PARSER_H_