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

test/cctest/test-compiler.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 220 matching lines @@
       STATIC_ASCII_VECTOR("foo"));
   Handle<Object> fun1 = Object::GetProperty(
       isolate->global_object(), foo_string).ToHandleChecked();
   CHECK(fun1->IsJSFunction());
 
   Handle<Object> argv[] = { isolate->factory()->InternalizeOneByteString(
       STATIC_ASCII_VECTOR("hello")) };
   Execution::Call(isolate,
                   Handle<JSFunction>::cast(fun1),
                   global,
-                  ARRAY_SIZE(argv),
+                  arraysize(argv),
                   argv).Check();
 }
 
 
 // Regression 236. Calling InitLineEnds on a Script with undefined
 // source resulted in crash.
 TEST(Regression236) {
   CcTest::InitializeVM();
   Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
@@ skipping 188 matching lines @@
   CompileRun("function f() { a = 12345678 }; f();");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { a = 12345678 + x}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x += 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
   CompileRun("function f(x) { var arguments = 1; x = 12345678}; f(1);");
   CheckCodeForUnsafeLiteral(GetJSFunction(context->Global(), "f"));
 }
 #endif