Convert ARRAYSIZE_UNSAFE -> arraysize in base/.

base/debug/stack_trace_posix.cc

 // Copyright (c) 2012 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 "base/debug/stack_trace.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <signal.h>
 #include <stdio.h>
@@ skipping 325 matching lines @@
     { " cr2: ", context->uc_mcontext.gregs[REG_CR2] },
 #endif
   };
 
 #if ARCH_CPU_32_BITS
   const int kRegisterPadding = 8;
 #elif ARCH_CPU_64_BITS
   const int kRegisterPadding = 16;
 #endif
 
-  for (size_t i = 0; i < ARRAYSIZE_UNSAFE(registers); i++) {
+  for (size_t i = 0; i < arraysize(registers); i++) {
     PrintToStderr(registers[i].label);
     internal::itoa_r(registers[i].value, buf, sizeof(buf),
                      16, kRegisterPadding);
     PrintToStderr(buf);
 
     if ((i + 1) % 4 == 0)
       PrintToStderr("\n");
   }
   PrintToStderr("\n");
 #endif
@@ skipping 469 matching lines @@
     *ptr = *start;
     *start++ = ch;
   }
   return buf;
 }
 
 }  // namespace internal
 
 }  // namespace debug
 }  // namespace base