Revert of Move parser pointer to CPDF_Document

core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp

Index: core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
diff --git a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
index eb3f156b2db074b86b1590f944666d4a7e729ac3..c20a483764ae1651242186f00e012e6e52e2e886 100644
--- a/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
+++ b/core/fpdfapi/fpdf_edit/fpdf_edit_create.cpp
@@ -1233,12 +1233,13 @@
     return 0;
 
   m_ObjectOffset[objnum] = m_Offset;
-  FX_BOOL bExistInMap = !!m_pDocument->GetIndirectObject(objnum);
+  FX_BOOL bExistInMap =
+      pdfium::ContainsKey(m_pDocument->m_IndirectObjs, objnum);
   const uint8_t object_type = m_pParser->GetObjectType(objnum);
   bool bObjStm = (object_type == 2) && m_pEncryptDict && !m_pXRefStream;
   if (m_pParser->IsVersionUpdated() || m_bSecurityChanged || bExistInMap ||
       bObjStm) {
-    CPDF_Object* pObj = m_pDocument->GetOrParseIndirectObject(objnum);
+    CPDF_Object* pObj = m_pDocument->GetIndirectObject(objnum);
     if (!pObj) {
       m_ObjectOffset[objnum] = 0;
       return 0;
@@ -1319,13 +1320,13 @@
   int32_t index = (int32_t)(uintptr_t)m_Pos;
   while (index < iCount) {
     uint32_t objnum = m_NewObjNumArray.ElementAt(index);
-    CPDF_Object* pObj = m_pDocument->GetIndirectObject(objnum);
-    if (!pObj) {
+    auto it = m_pDocument->m_IndirectObjs.find(objnum);
+    if (it == m_pDocument->m_IndirectObjs.end()) {
       ++index;
       continue;
     }
     m_ObjectOffset[objnum] = m_Offset;
-    if (WriteIndirectObj(pObj)) {
+    if (WriteIndirectObj(it->second)) {
       return -1;
     }
     index++;
@@ -1362,7 +1363,7 @@
 void CPDF_Creator::InitNewObjNumOffsets() {
   FX_BOOL bIncremental = (m_dwFlags & FPDFCREATE_INCREMENTAL) != 0;
   FX_BOOL bNoOriginal = (m_dwFlags & FPDFCREATE_NO_ORIGINAL) != 0;
-  for (const auto& pair : *m_pDocument) {
+  for (const auto& pair : m_pDocument->m_IndirectObjs) {
     const uint32_t objnum = pair.first;
     const CPDF_Object* pObj = pair.second;
     if (bIncremental || pObj->GetObjNum() == CPDF_Object::kInvalidObjNum)
@@ -1702,7 +1703,7 @@
         return -1;
       }
     } else {
-      if (m_File.AppendDWord(m_pDocument->GetLastObjNum() + 1) < 0) {
+      if (m_File.AppendDWord(m_pDocument->m_LastObjNum + 1) < 0) {
         return -1;
       }
       if (m_File.AppendString(" 0 obj <<") < 0) {