Create ast/ and parsing/ subdirectories and move appropriate files

src/parsing/scanner.h

Index: src/parsing/scanner.h
diff --git a/src/scanner.h b/src/parsing/scanner.h
similarity index 99%
rename from src/scanner.h
rename to src/parsing/scanner.h
index 8a39bd918bf98b2450d8f49640699896c388c80f..abaccf57254cb38bdf963556b63502a52430d2dc 100644
--- a/src/scanner.h
+++ b/src/parsing/scanner.h
@@ -4,8 +4,8 @@
 
 // Features shared by parsing and pre-parsing scanners.
 
-#ifndef V8_SCANNER_H_
-#define V8_SCANNER_H_
+#ifndef V8_PARSING_SCANNER_H_
+#define V8_PARSING_SCANNER_H_
 
 #include "src/allocation.h"
 #include "src/base/logging.h"
@@ -13,7 +13,7 @@
 #include "src/globals.h"
 #include "src/hashmap.h"
 #include "src/list.h"
-#include "src/token.h"
+#include "src/parsing/token.h"
 #include "src/unicode.h"
 #include "src/unicode-decoder.h"
 #include "src/utils.h"
@@ -768,4 +768,4 @@ class Scanner {
 }  // namespace internal
 }  // namespace v8
 
-#endif  // V8_SCANNER_H_
+#endif  // V8_PARSING_SCANNER_H_