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

src/lithium-codegen.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 "src/v8.h"
 
 #include "src/lithium-codegen.h"
 
 #if V8_TARGET_ARCH_IA32
 #include "src/ia32/lithium-ia32.h"  // NOLINT
@@ skipping 114 matching lines @@
                hinstr->Mnemonic(), instr->Mnemonic());
     }
   }
 #endif
 }
 
 
 void LCodeGenBase::Comment(const char* format, ...) {
   if (!FLAG_code_comments) return;
   char buffer[4 * KB];
-  StringBuilder builder(buffer, ARRAY_SIZE(buffer));
+  StringBuilder builder(buffer, arraysize(buffer));
   va_list arguments;
   va_start(arguments, format);
   builder.AddFormattedList(format, arguments);
   va_end(arguments);
 
   // Copy the string before recording it in the assembler to avoid
   // issues when the stack allocated buffer goes out of scope.
   size_t length = builder.position();
   Vector<char> copy = Vector<char>::New(static_cast<int>(length) + 1);
   MemCopy(copy.start(), builder.Finalize(), copy.length());
@@ skipping 81 matching lines @@
   chunk_->AddDeprecationDependency(map);
 }
 
 
 void LCodeGenBase::AddStabilityDependency(Handle<Map> map) {
   if (!map->is_stable()) return Abort(kMapBecameUnstable);
   chunk_->AddStabilityDependency(map);
 }
 
 } }  // namespace v8::internal