Move bit_cast from base/macros.h to its own header

sandbox/win/wow_helper/service64_resolver.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "sandbox/win/wow_helper/service64_resolver.h"
 
 #include <limits.h>
 #include <stddef.h>
 
+#include "base/bit_cast.h"
 #include "base/memory/scoped_ptr.h"
 #include "sandbox/win/wow_helper/target_code.h"
 
 namespace {
 #pragma pack(push, 1)
 
 const BYTE kMovEax = 0xB8;
 const BYTE kMovEdx = 0xBA;
 const USHORT kCallPtrEdx = 0x12FF;
 const BYTE kRet = 0xC2;
@@ skipping 316 matching lines @@
 
   // and now change the function to intercept, on the child
   if (!::WriteProtectedChildMemory(process_, target_, &local_service,
                                    sizeof(local_service)))
     return STATUS_UNSUCCESSFUL;
 
   return STATUS_SUCCESS;
 }
 
 }  // namespace sandbox