Replace our homegrown ARRAY_SIZE() with Chrome's arraysize().

src/arm64/simulator-arm64.cc

 // 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.
 
 #include <stdlib.h>
 #include <cmath>
 #include <cstdarg>
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_ARM64
@@ skipping 1047 matching lines @@
   last_nzcv = nzcv();
 
   static SimSystemRegister last_fpcr;
   if (print_all || first_run || (last_fpcr.RawValue() != fpcr().RawValue())) {
     static const char * rmode[] = {
       "0b00 (Round to Nearest)",
       "0b01 (Round towards Plus Infinity)",
       "0b10 (Round towards Minus Infinity)",
       "0b11 (Round towards Zero)"
     };
-    DCHECK(fpcr().RMode() < ARRAY_SIZE(rmode));
+    DCHECK(fpcr().RMode() < arraysize(rmode));
     fprintf(stream_, "# %sFPCR: %sAHP:%d DN:%d FZ:%d RMode:%s%s\n",
             clr_flag_name,
             clr_flag_value,
             fpcr().AHP(), fpcr().DN(), fpcr().FZ(), rmode[fpcr().RMode()],
             clr_normal);
   }
   last_fpcr = fpcr();
 
   first_run = false;
 }
@@ skipping 2650 matching lines @@
 
   delete[] format;
 }
 
 
 #endif  // USE_SIMULATOR
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM64