Moved zones and zone related stuff in its own directory.

src/crankshaft/hydrogen-instructions.h

 // Copyright 2012 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_CRANKSHAFT_HYDROGEN_INSTRUCTIONS_H_
 #define V8_CRANKSHAFT_HYDROGEN_INSTRUCTIONS_H_
 
 #include <cstring>
 #include <iosfwd>
 
 #include "src/allocation.h"
 #include "src/ast/ast.h"
 #include "src/base/bits.h"
 #include "src/bit-vector.h"
 #include "src/code-stubs.h"
 #include "src/conversions.h"
 #include "src/crankshaft/hydrogen-types.h"
 #include "src/crankshaft/unique.h"
 #include "src/deoptimizer.h"
 #include "src/globals.h"
 #include "src/small-pointer-list.h"
 #include "src/utils.h"
-#include "src/zone.h"
+#include "src/zone/zone.h"
 
 namespace v8 {
 namespace internal {
 
 // Forward declarations.
 struct ChangesOf;
 class HBasicBlock;
 class HDiv;
 class HEnvironment;
 class HInferRepresentationPhase;
@@ skipping 7003 matching lines @@
   bool IsDeletable() const override { return true; }
 };
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_CRANKSHAFT_HYDROGEN_INSTRUCTIONS_H_