XFA: merge patch from CL 729293003, use FX_ArraySize for safety

fpdfsdk/include/javascript/JS_Define.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
  
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef _JS_DEFINE_H_
 #define _JS_DEFINE_H_
 
 typedef v8::Value                       JSValue;
@@ skipping 581 matching lines @@
         return 0;\
 }
 
 /* ======================================== GLOBAL CONSTS ============================================ */
 #define DEFINE_GLOBAL_CONST(pRuntime, const_name , const_value)\
 if (JS_DefineGlobalConst(pRuntime,JS_WIDESTRING(const_name),JS_NewString(pRuntime,JS_WIDESTRING(const_value)))) return -1
 
 /* ======================================== GLOBAL ARRAYS ============================================ */
 
 #define DEFINE_GLOBAL_ARRAY(pRuntime)\
-int size = sizeof(ArrayContent) / sizeof(FX_LPCWSTR);\
+int size = FX_ArraySize(ArrayContent);\
 \
 CJS_Array array(pRuntime);\
 for (int i=0; i<size; i++) array.SetElement(i,CJS_Value(pRuntime,ArrayContent[i]));\
 \
 CJS_PropValue prop(pRuntime);\
 prop << array;\
 if (JS_DefineGlobalConst(pRuntime, (const wchar_t*)ArrayName, prop.ToJSValue()) < 0)\
         return -1
 
 /* ============================================================ */
@@ skipping 59 matching lines @@
                 else if (strcmp(sType,VALUE_NAME_NULL) == 0)
                         return VT_null;
                 else if (strcmp(sType,VALUE_NAME_UNDEFINED) == 0)
                         return VT_undefined;
                         */
 
         return VT_unknown;
 }
 
 #endif //_JS_DEFINE_H_