Remove GetType from CJS_Value

This CL removes the GetType method from CJS_Value and, instead,
retrieves the value from the v8 object directly.

Change-Id: Ia8390f3ead163c09a39cae493e75fccdd41a0961
Reviewed-on: https://pdfium-review.googlesource.com/16615
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>
diff --git a/fpdfsdk/javascript/Field.cpp b/fpdfsdk/javascript/Field.cpp
index 5bcc66b..0ed0594 100644
--- a/fpdfsdk/javascript/Field.cpp
+++ b/fpdfsdk/javascript/Field.cpp
@@ -877,7 +877,7 @@
     return false;
 
   std::vector<uint32_t> array;
-  if (vp.GetType() == CJS_Value::VT_number) {
+  if (vp.ToV8Value()->IsNumber()) {
     array.push_back(pRuntime->ToInt32(vp.ToV8Value()));
   } else if (vp.IsArrayObject()) {
     CJS_Array SelArray(pRuntime->ToArray(vp.ToV8Value()));