Create ast/ and parsing/ subdirectories and move appropriate files

src/ast/ast-numbering.h

Index: src/ast/ast-numbering.h
diff --git a/src/ast-numbering.h b/src/ast/ast-numbering.h
similarity index 83%
rename from src/ast-numbering.h
rename to src/ast/ast-numbering.h
index 57c750cf640a43188e9a380621411d56a8be7fc1..0ac1ef2134352ebe12d9b031b974ada2fd3ce598 100644
--- a/src/ast-numbering.h
+++ b/src/ast/ast-numbering.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_AST_NUMBERING_H_
-#define V8_AST_NUMBERING_H_
+#ifndef V8_AST_AST_NUMBERING_H_
+#define V8_AST_AST_NUMBERING_H_
 
 namespace v8 {
 namespace internal {
@@ -22,4 +22,4 @@ bool Renumber(Isolate* isolate, Zone* zone, FunctionLiteral* function);
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_AST_NUMBERING_H_
+#endif  // V8_AST_AST_NUMBERING_H_