Create ast/ and parsing/ subdirectories and move appropriate files

src/parsing/parameter-initializer-rewriter.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/parameter-initializer-rewriter.h"
+#include "src/parsing/parameter-initializer-rewriter.h"
 
-#include "src/ast.h"
-#include "src/ast-expression-visitor.h"
-#include "src/scopes.h"
+#include "src/ast/ast.h"
+#include "src/ast/ast-expression-visitor.h"
+#include "src/ast/scopes.h"
 
 namespace v8 {
 namespace internal {
 
 namespace {
 
 
 class Rewriter final : public AstExpressionVisitor {
  public:
   Rewriter(uintptr_t stack_limit, Expression* initializer, Scope* old_scope,
@@ skipping 53 matching lines @@
 void RewriteParameterInitializerScope(uintptr_t stack_limit,
                                       Expression* initializer, Scope* old_scope,
                                       Scope* new_scope) {
   Rewriter rewriter(stack_limit, initializer, old_scope, new_scope);
   rewriter.Run();
 }
 
 
 }  // namespace internal
 }  // namespace v8