Remove ownership of CPDFSDK_Document from CPDFXFA_Document

fpdfsdk/cpdfsdk_document.h

Index: fpdfsdk/cpdfsdk_document.h
diff --git a/fpdfsdk/cpdfsdk_document.h b/fpdfsdk/cpdfsdk_document.h
index 697ee48f9d4560e9516f7aa50876c1d5f41eae08..561bfc198d6d3cf4fccc5e95099f28de5ec04392 100644
--- a/fpdfsdk/cpdfsdk_document.h
+++ b/fpdfsdk/cpdfsdk_document.h
@@ -69,6 +69,7 @@ class CPDFSDK_Document : public CFX_Observable<CPDFSDK_Document> {
   CPDFSDK_Annot* GetFocusAnnot() { return m_pFocusAnnot.Get(); }
   FX_BOOL SetFocusAnnot(CPDFSDK_Annot::ObservedPtr* pAnnot);
   FX_BOOL KillFocusAnnot(uint32_t nFlag);
+  void ClearAllFocusedAnnots();
 
   FX_BOOL ExtractPages(const std::vector<uint16_t>& arrExtraPages,
                        CPDF_Document* pDstDoc);