Split fxfa_objectacc.h into pieces.

xfa/fxfa/parser/cxfa_tooltip.cpp

Index: xfa/fxfa/parser/cxfa_tooltip.cpp
diff --git a/core/fpdfapi/fpdf_parser/cpdf_null.cpp b/xfa/fxfa/parser/cxfa_tooltip.cpp
similarity index 50%
copy from core/fpdfapi/fpdf_parser/cpdf_null.cpp
copy to xfa/fxfa/parser/cxfa_tooltip.cpp
index c74daf300ff983dc373729199d1b02fbc5e5de0c..079b365e468eb1d1e8c87ffb0623474861c06af2 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_null.cpp
+++ b/xfa/fxfa/parser/cxfa_tooltip.cpp
@@ -4,14 +4,12 @@
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
-#include "core/fpdfapi/fpdf_parser/cpdf_null.h"
+#include "xfa/fxfa/parser/cxfa_tooltip.h"
 
-CPDF_Null::CPDF_Null() {}
+#include "xfa/fxfa/parser/xfa_object.h"
 
-CPDF_Object::Type CPDF_Null::GetType() const {
-  return NULLOBJ;
-}
+CXFA_ToolTip::CXFA_ToolTip(CXFA_Node* pNode) : CXFA_Data(pNode) {}
 
-CPDF_Object* CPDF_Null::Clone(FX_BOOL bDirect) const {
-  return new CPDF_Null;
+FX_BOOL CXFA_ToolTip::GetTip(CFX_WideString& wsTip) {
+  return m_pNode->TryContent(wsTip);
 }