Move struct ContentParam off of CPDF_Object's enums

core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp

Index: core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index c0150b5435fc6b6209b60a98b0e3efb5da60f96c..8c2bad4acd3500f256cbb12d7a7c761259ef1fc0 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -4851,7 +4851,7 @@ FX_BOOL CPDF_HintTables::LoadHintStream(CPDF_Stream* pHintStream) {
     return FALSE;
   CPDF_Dictionary* pDict = pHintStream->GetDict();
   CPDF_Object* pOffset = pDict ? pDict->GetElement("S") : nullptr;
-  if (!pOffset || pOffset->GetType() != CPDF_Object::NUMBER)
+  if (!pOffset || !pOffset->IsNumber())
     return FALSE;
   int shared_hint_table_offset = pOffset->GetInteger();
   CPDF_StreamAcc acc;