Move Hydrogen and Lithium to src/crankshaft/

src/crankshaft/hydrogen-environment-liveness.h

 // Copyright 2013 the V8 project authors. All rights reserved.
 // 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 {
 
 
 // Trims live ranges of environment slots by doing explicit liveness analysis.
 // Values in the environment are kept alive by every subsequent LInstruction
 // that is assigned an LEnvironment, which creates register pressure and
 // unnecessary spill slot moves. Therefore it is beneficial to trim the
 // live ranges of environment slots by zapping them with a constant after
@@ skipping 39 matching lines @@
   HSimulate* last_simulate_;
   BitVector went_live_since_last_simulate_;
 
   DISALLOW_COPY_AND_ASSIGN(HEnvironmentLivenessAnalysisPhase);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
-#endif /* V8_HYDROGEN_ENVIRONMENT_LIVENESS_H_ */
+#endif  // V8_CRANKSHAFT_HYDROGEN_ENVIRONMENT_LIVENESS_H_