Create ast/ and parsing/ subdirectories and move appropriate files

src/parsing/scanner.cc

Index: src/parsing/scanner.cc
diff --git a/src/scanner.cc b/src/parsing/scanner.cc
similarity index 99%
rename from src/scanner.cc
rename to src/parsing/scanner.cc
index 3031144b0915ad528b4f7ab1d8ba0ff95f31c980..524740885b7450cd2c799398f2955fc4554a1a80 100644
--- a/src/scanner.cc
+++ b/src/parsing/scanner.cc
@@ -4,17 +4,17 @@
 
 // Features shared by parsing and pre-parsing scanners.
 
-#include "src/scanner.h"
+#include "src/parsing/scanner.h"
 
 #include <stdint.h>
 
 #include <cmath>
 
-#include "src/ast-value-factory.h"
+#include "src/ast/ast-value-factory.h"
 #include "src/char-predicates-inl.h"
 #include "src/conversions-inl.h"
 #include "src/list-inl.h"
-#include "src/parser.h"
+#include "src/parsing/parser.h"
 
 namespace v8 {
 namespace internal {