Move Hydrogen and Lithium to src/crankshaft/

src/hydrogen-store-elimination.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_STORE_ELIMINATION_H_
-#define V8_HYDROGEN_STORE_ELIMINATION_H_
-
-#include "src/hydrogen.h"
-#include "src/hydrogen-alias-analysis.h"
-
-namespace v8 {
-namespace internal {
-
-class HStoreEliminationPhase : public HPhase {
- public:
-  explicit HStoreEliminationPhase(HGraph* graph)
-    : HPhase("H_Store elimination", graph),
-      unobserved_(10, zone()),
-      aliasing_() { }
-
-  void Run();
- private:
-  ZoneList<HStoreNamedField*> unobserved_;
-  HAliasAnalyzer* aliasing_;
-
-  void ProcessStore(HStoreNamedField* store);
-  void ProcessLoad(HLoadNamedField* load);
-  void ProcessInstr(HInstruction* instr, GVNFlagSet flags);
-};
-
-
-}  // namespace internal
-}  // namespace v8
-
-#endif