Create ast/ and parsing/ subdirectories and move appropriate files

src/parsing/pattern-rewriter.cc

Index: src/parsing/pattern-rewriter.cc
diff --git a/src/pattern-rewriter.cc b/src/parsing/pattern-rewriter.cc
similarity index 99%
rename from src/pattern-rewriter.cc
rename to src/parsing/pattern-rewriter.cc
index e5231155687b7b2826881537777938a85078e721..037e96b86d769d85bfbc9ada048e304c6a3f5b7a 100644
--- a/src/pattern-rewriter.cc
+++ b/src/parsing/pattern-rewriter.cc
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "src/ast.h"
+#include "src/ast/ast.h"
 #include "src/messages.h"
-#include "src/parameter-initializer-rewriter.h"
-#include "src/parser.h"
+#include "src/parsing/parameter-initializer-rewriter.h"
+#include "src/parsing/parser.h"
 
 namespace v8 {