Annotation deleted while retriveing it in JS

fpdfsdk/cpdfsdk_interform.h

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef FPDFSDK_CPDFSDK_INTERFORM_H_
 #define FPDFSDK_CPDFSDK_INTERFORM_H_
 
 #include <map>
 #include <memory>
 #include <vector>
 
 #include "core/fpdfdoc/cpdf_action.h"
 #include "core/fpdfdoc/ipdf_formnotify.h"
 #include "core/fxcrt/fx_basic.h"
 #include "core/fxge/fx_dib.h"
+#include "fpdfsdk/cpdfsdk_widget.h"
 
 class CPDF_Dictionary;
 class CPDF_FormControl;
 class CPDF_FormField;
 class CPDF_InterForm;
 class CPDF_Object;
 class CPDFSDK_FormFillEnvironment;
-class CPDFSDK_Widget;
 
 #ifdef PDF_ENABLE_XFA
 class CPDFSDK_XFAWidget;
 class CXFA_FFWidget;
 #endif  // PDF_ENABLE_XFA
 
 class CPDFSDK_InterForm : public IPDF_FormNotify {
  public:
   explicit CPDFSDK_InterForm(CPDFSDK_FormFillEnvironment* pFormFillEnv);
   ~CPDFSDK_InterForm() override;
 
   CPDF_InterForm* GetInterForm() const { return m_pInterForm.get(); }
   CPDFSDK_FormFillEnvironment* GetFormFillEnv() const { return m_pFormFillEnv; }
 
   bool HighlightWidgets();
 
   CPDFSDK_Widget* GetSibling(CPDFSDK_Widget* pWidget, bool bNext) const;
   CPDFSDK_Widget* GetWidget(CPDF_FormControl* pControl) const;
   void GetWidgets(const CFX_WideString& sFieldName,
-                  std::vector<CPDFSDK_Widget*>* widgets) const;
+                  std::vector<CPDFSDK_Annot::ObservedPtr>* widgets) const;
   void GetWidgets(CPDF_FormField* pField,
-                  std::vector<CPDFSDK_Widget*>* widgets) const;
+                  std::vector<CPDFSDK_Annot::ObservedPtr>* widgets) const;
 
   void AddMap(CPDF_FormControl* pControl, CPDFSDK_Widget* pWidget);
   void RemoveMap(CPDF_FormControl* pControl);
 
   void EnableCalculate(bool bEnabled);
   bool IsCalculateEnabled() const;
 
 #ifdef PDF_ENABLE_XFA
   void AddXFAMap(CXFA_FFWidget* hWidget, CPDFSDK_XFAWidget* pWidget);
   void RemoveXFAMap(CXFA_FFWidget* hWidget);
@@ skipping 76 matching lines @@
 #endif  // PDF_ENABLE_XFA
   bool m_bCalculate;
   bool m_bBusy;
 
   FX_COLORREF m_aHighlightColor[kNumFieldTypes];
   uint8_t m_iHighlightAlpha;
   bool m_bNeedHightlight[kNumFieldTypes];
 };
 
 #endif  // FPDFSDK_CPDFSDK_INTERFORM_H_