Rename CPDFSDK_Annot::GetType to CPDFSDK_Annot::GetAnnotSubtype.

fpdfsdk/include/cpdfsdk_widget.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_INCLUDE_CPDFSDK_WIDGET_H_
 #define FPDFSDK_INCLUDE_CPDFSDK_WIDGET_H_
 
 #include <set>
@@ skipping 60 matching lines @@
 #endif  // PDF_ENABLE_XFA
 
   CPDFSDK_Widget(CPDF_Annot* pAnnot,
                  CPDFSDK_PageView* pPageView,
                  CPDFSDK_InterForm* pInterForm);
   ~CPDFSDK_Widget() override;
 
   void AddObserver(Observer* observer);
   void RemoveObserver(Observer* observer);
 
-  CFX_ByteString GetSubType() const override;
+  bool IsSignatureWidget() const override;
   CPDF_Action GetAAction(CPDF_AAction::AActionType eAAT) override;
   FX_BOOL IsAppearanceValid() override;
 
   int GetLayoutOrder() const override;
 
   int GetFieldType() const;
   int GetFieldFlags() const;
   int GetRotate() const;
 
   FX_BOOL GetFillColor(FX_COLORREF& color) const;
@@ skipping 90 matching lines @@
   int32_t m_nValueAge;
   std::set<Observer*> m_Observers;
 
 #ifdef PDF_ENABLE_XFA
   mutable CXFA_FFWidget* m_hMixXFAWidget;
   mutable CXFA_FFWidgetHandler* m_pWidgetHandler;
 #endif  // PDF_ENABLE_XFA
 };
 
 #endif  // FPDFSDK_INCLUDE_CPDFSDK_WIDGET_H_