Remove default parameters from CXFA_SimpleParser.

xfa/fxfa/parser/cxfa_simple_parser.h

Index: xfa/fxfa/parser/cxfa_simple_parser.h
diff --git a/xfa/fxfa/parser/cxfa_simple_parser.h b/xfa/fxfa/parser/cxfa_simple_parser.h
index 8bef0c3c2b52add01a92c567226509fb37f7e97a..270dcd2a307de729c5b7bf302892a29aed52090f 100644
--- a/xfa/fxfa/parser/cxfa_simple_parser.h
+++ b/xfa/fxfa/parser/cxfa_simple_parser.h
@@ -25,10 +25,10 @@ class CXFA_SimpleParser {
   ~CXFA_SimpleParser();
 
   int32_t StartParse(IFX_FileRead* pStream, XFA_XDPPACKET ePacketID);
-  int32_t DoParse(IFX_Pause* pPause = nullptr);
+  int32_t DoParse(IFX_Pause* pPause);
   int32_t ParseXMLData(const CFX_WideString& wsXML,
                        CFDE_XMLNode*& pXMLNode,
-                       IFX_Pause* pPause = nullptr);
+                       IFX_Pause* pPause);
   void ConstructXFANode(CXFA_Node* pXFANode, CFDE_XMLNode* pXMLNode);
   CXFA_Node* GetRootNode() const;
   CFDE_XMLDoc* GetXMLDoc() const;
@@ -57,7 +57,7 @@ class CXFA_SimpleParser {
   CXFA_Node* NormalLoader(CXFA_Node* pXFANode,
                           CFDE_XMLNode* pXMLDoc,
                           XFA_XDPPACKET ePacketID,
-                          FX_BOOL bUseAttribute = TRUE);
+                          FX_BOOL bUseAttribute);
   CXFA_Node* DataLoader(CXFA_Node* pXFANode,
                         CFDE_XMLNode* pXMLDoc,
                         FX_BOOL bDoTransform);