Create ast/ and parsing/ subdirectories and move appropriate files

src/ast/ast-literal-reindexer.cc

 // Copyright 2015 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-literal-reindexer.h"
+#include "src/ast/ast-literal-reindexer.h"
 
-#include "src/ast.h"
-#include "src/scopes.h"
+#include "src/ast/ast.h"
+#include "src/ast/scopes.h"
 
 namespace v8 {
 namespace internal {
 
 
 void AstLiteralReindexer::VisitVariableDeclaration(VariableDeclaration* node) {
   VisitVariableProxy(node->proxy());
 }
 
 
@@ skipping 297 matching lines @@
 void AstLiteralReindexer::VisitFunctionLiteral(FunctionLiteral* node) {
   // We don't recurse into the declarations or body of the function literal:
 }
 
 
 void AstLiteralReindexer::Reindex(Expression* pattern) {
   pattern->Accept(this);
 }
 }  // namespace internal
 }  // namespace v8