[ast][parser] Remove redundant Declaration::mode_.

src/ast/prettyprinter.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/ast/prettyprinter.h"
 
 #include <stdarg.h>
 
 #include "src/ast/ast-value-factory.h"
 #include "src/ast/scopes.h"
@@ skipping 704 matching lines @@
 void AstPrinter::VisitBlock(Block* node) {
   const char* block_txt =
       node->ignore_completion_value() ? "BLOCK NOCOMPLETIONS" : "BLOCK";
   IndentedScope indent(this, block_txt, node->position());
   PrintStatements(node->statements());
 }
 
 
 // TODO(svenpanne) Start with IndentedScope.
 void AstPrinter::VisitVariableDeclaration(VariableDeclaration* node) {
-  PrintLiteralWithModeIndented(Variable::Mode2String(node->mode()),
-                               node->proxy()->var(),
+  PrintLiteralWithModeIndented("VARIABLE", node->proxy()->var(),
                                node->proxy()->name());
 }
 
 
 // TODO(svenpanne) Start with IndentedScope.
 void AstPrinter::VisitFunctionDeclaration(FunctionDeclaration* node) {
   PrintIndented("FUNCTION ");
   PrintLiteral(node->proxy()->name(), true);
   Print(" = function ");
   PrintLiteral(node->fun()->name(), false);
@@ skipping 455 matching lines @@
 
 void AstPrinter::VisitRewritableExpression(RewritableExpression* node) {
   Visit(node->expression());
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8