Move Hydrogen and Lithium to src/crankshaft/

src/crankshaft/hydrogen-environment-liveness.h

Index: src/crankshaft/hydrogen-environment-liveness.h
diff --git a/src/hydrogen-environment-liveness.h b/src/crankshaft/hydrogen-environment-liveness.h
similarity index 92%
rename from src/hydrogen-environment-liveness.h
rename to src/crankshaft/hydrogen-environment-liveness.h
index f97a78ccaefc455cac861b8f4e01732045052ea1..d9e156b7e98830a5880ec31134a55ab8376e518f 100644
--- a/src/hydrogen-environment-liveness.h
+++ b/src/crankshaft/hydrogen-environment-liveness.h
@@ -2,11 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef V8_HYDROGEN_ENVIRONMENT_LIVENESS_H_
-#define V8_HYDROGEN_ENVIRONMENT_LIVENESS_H_
+#ifndef V8_CRANKSHAFT_HYDROGEN_ENVIRONMENT_LIVENESS_H_
+#define V8_CRANKSHAFT_HYDROGEN_ENVIRONMENT_LIVENESS_H_
 
-
-#include "src/hydrogen.h"
+#include "src/crankshaft/hydrogen.h"
 
 namespace v8 {
 namespace internal {
@@ -66,4 +65,4 @@ class HEnvironmentLivenessAnalysisPhase : public HPhase {
 }  // namespace internal
 }  // namespace v8
 
-#endif /* V8_HYDROGEN_ENVIRONMENT_LIVENESS_H_ */
+#endif  // V8_CRANKSHAFT_HYDROGEN_ENVIRONMENT_LIVENESS_H_