CPDF_Document and CPDF_DataAvail are no longer friends

core/fpdfapi/fpdf_parser/cpdf_document.cpp

Index: core/fpdfapi/fpdf_parser/cpdf_document.cpp
diff --git a/core/fpdfapi/fpdf_parser/cpdf_document.cpp b/core/fpdfapi/fpdf_parser/cpdf_document.cpp
index d3909ceaec2ee579f6fd9036baf4c0eaa6316c34..020e3544e9f5bec6db730e1bf62fbf5d54e8e931 100644
--- a/core/fpdfapi/fpdf_parser/cpdf_document.cpp
+++ b/core/fpdfapi/fpdf_parser/cpdf_document.cpp
@@ -512,6 +512,10 @@ CPDF_Dictionary* CPDF_Document::GetPagesDict() const {
   return pRoot ? pRoot->GetDictFor("Pages") : nullptr;
 }
 
+bool CPDF_Document::IsPageLoaded(int iPage) const {
+  return !!m_PageList.GetAt(iPage);
+}
+
 CPDF_Dictionary* CPDF_Document::GetPage(int iPage) {
   if (iPage < 0 || iPage >= m_PageList.GetSize())
     return nullptr;
@@ -541,6 +545,10 @@ CPDF_Dictionary* CPDF_Document::GetPage(int iPage) {
   return pPage;
 }
 
+void CPDF_Document::SetPageObjNum(int iPage, uint32_t objNum) {
+  m_PageList.SetAt(iPage, objNum);
+}
+
 int CPDF_Document::FindPageIndex(CPDF_Dictionary* pNode,
                                  uint32_t& skip_count,
                                  uint32_t objnum,