Use spans in CJX_Object.

Avoid explicitly finding array sizes.

Change-Id: Id51e3d10ea4db0a6375807a53309ce8d68b3b413
Reviewed-on: https://pdfium-review.googlesource.com/34750
Reviewed-by: dsinclair <dsinclair@chromium.org>
Commit-Queue: Tom Sepez <tsepez@chromium.org>
diff --git a/fxjs/xfa/cjx_subform.cpp b/fxjs/xfa/cjx_subform.cpp
index 042bd85..9f4736a 100644
--- a/fxjs/xfa/cjx_subform.cpp
+++ b/fxjs/xfa/cjx_subform.cpp
@@ -23,7 +23,7 @@
     {"execValidate", execValidate_static}};
 
 CJX_Subform::CJX_Subform(CXFA_Node* node) : CJX_Container(node) {
-  DefineMethods(MethodSpecs, FX_ArraySize(MethodSpecs));
+  DefineMethods(MethodSpecs);
 }
 
 CJX_Subform::~CJX_Subform() {}