Remove ownership of CPDFSDK_Document from CPDFXFA_Document

fpdfsdk/cpdfsdk_document.cpp

Index: fpdfsdk/cpdfsdk_document.cpp
diff --git a/fpdfsdk/cpdfsdk_document.cpp b/fpdfsdk/cpdfsdk_document.cpp
index 544c1e6e195b8c9dfea914292dede185875999a0..a0febafd484e38968077bc26454f19d494dd5a62 100644
--- a/fpdfsdk/cpdfsdk_document.cpp
+++ b/fpdfsdk/cpdfsdk_document.cpp
@@ -39,14 +39,17 @@ CPDFSDK_Document::CPDFSDK_Document(UnderlyingDocumentType* pDoc,
 CPDFSDK_Document::~CPDFSDK_Document() {
   m_bBeingDestroyed = TRUE;
 
+  ClearAllFocusedAnnots();
+  for (auto& it : m_pageMap)
+    delete it.second;
+  m_pageMap.clear();
+}
+
+void CPDFSDK_Document::ClearAllFocusedAnnots() {
   for (auto& it : m_pageMap) {
     if (it.second->IsValidSDKAnnot(GetFocusAnnot()))
       KillFocusAnnot(0);
   }
-
-  for (auto& it : m_pageMap)
-    delete it.second;
-  m_pageMap.clear();
 }
 
 CPDFSDK_PageView* CPDFSDK_Document::GetPageView(