Move Hydrogen and Lithium to src/crankshaft/

src/crankshaft/hydrogen-types.h

Index: src/crankshaft/hydrogen-types.h
diff --git a/src/hydrogen-types.h b/src/crankshaft/hydrogen-types.h
similarity index 95%
rename from src/hydrogen-types.h
rename to src/crankshaft/hydrogen-types.h
index ebfbac30d4802d6a8db537f7c6dd10eabcb3dd07..87148ee4cd8b5f1503141fa541020c6504259b3f 100644
--- a/src/hydrogen-types.h
+++ b/src/crankshaft/hydrogen-types.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 HYDROGEN_TYPES_H_
-#define HYDROGEN_TYPES_H_
+#ifndef V8_CRANKSHAFT_HYDROGEN_TYPES_H_
+#define V8_CRANKSHAFT_HYDROGEN_TYPES_H_
 
 #include <climits>
 #include <iosfwd>
@@ -89,4 +89,4 @@ std::ostream& operator<<(std::ostream& os, const HType& t);
 }  // namespace internal
 }  // namespace v8
 
-#endif  // HYDROGEN_TYPES_H_
+#endif  // V8_CRANKSHAFT_HYDROGEN_TYPES_H_