convert BitVector to use pointer size blocks

src/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_HYDROGEN_INSTRUCTIONS_H_
 #define V8_HYDROGEN_INSTRUCTIONS_H_
 
 #include <iosfwd>
 
 #include "src/v8.h"
 
 #include "src/allocation.h"
 #include "src/base/bits.h"
+#include "src/bit-vector.h"
 #include "src/code-stubs.h"
 #include "src/conversions.h"
-#include "src/data-flow.h"
 #include "src/deoptimizer.h"
 #include "src/hydrogen-types.h"
 #include "src/small-pointer-list.h"
 #include "src/unique.h"
 #include "src/utils.h"
 #include "src/zone.h"
 
 namespace v8 {
 namespace internal {
 
@@ skipping 7884 matching lines @@
 };
 
 
 
 #undef DECLARE_INSTRUCTION
 #undef DECLARE_CONCRETE_INSTRUCTION
 
 } }  // namespace v8::internal
 
 #endif  // V8_HYDROGEN_INSTRUCTIONS_H_