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

src/vector.h

 // Copyright 2014 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_VECTOR_H_
 #define V8_VECTOR_H_
 
 #include <string.h>
 #include <algorithm>
 
@@ skipping 135 matching lines @@
 
 inline int StrLength(const char* string) {
   size_t length = strlen(string);
   DCHECK(length == static_cast<size_t>(static_cast<int>(length)));
   return static_cast<int>(length);
 }
 
 
 #define STATIC_ASCII_VECTOR(x)                        \
   v8::internal::Vector<const uint8_t>(reinterpret_cast<const uint8_t*>(x), \
-                                      ARRAY_SIZE(x)-1)
+                                      arraysize(x)-1)
 
 inline Vector<const char> CStrVector(const char* data) {
   return Vector<const char>(data, StrLength(data));
 }
 
 inline Vector<const uint8_t> OneByteVector(const char* data, int length) {
   return Vector<const uint8_t>(reinterpret_cast<const uint8_t*>(data), length);
 }
 
 inline Vector<const uint8_t> OneByteVector(const char* data) {
   return OneByteVector(data, StrLength(data));
 }
 
 inline Vector<char> MutableCStrVector(char* data) {
   return Vector<char>(data, StrLength(data));
 }
 
 inline Vector<char> MutableCStrVector(char* data, int max) {
   int length = StrLength(data);
   return Vector<char>(data, (length < max) ? length : max);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_VECTOR_H_