Pass CFX_WideString further down widget callers

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 90 matching lines @@
   void SetCheck(bool bChecked, bool bNotify);
   void SetValue(const CFX_WideString& sValue, FX_BOOL bNotify);
   void SetDefaultValue(const CFX_WideString& sValue);
   void SetOptionSelection(int index, FX_BOOL bSelected, FX_BOOL bNotify);
   void ClearSelection(FX_BOOL bNotify);
   void SetTopVisibleIndex(int index);
 
 #ifdef PDF_ENABLE_XFA
   void ResetAppearance(FX_BOOL bValueChanged);
 #endif  // PDF_ENABLE_XFA
-  void ResetAppearance(const FX_WCHAR* sValue, FX_BOOL bValueChanged);
+  void ResetAppearance(const CFX_WideString* sValue, FX_BOOL bValueChanged);
   void ResetFieldAppearance(FX_BOOL bValueChanged);
   void UpdateField();
   CFX_WideString OnFormat(FX_BOOL& bFormatted);
 
   FX_BOOL OnAAction(CPDF_AAction::AActionType type,
                     PDFSDK_FieldAction& data,
                     CPDFSDK_PageView* pPageView);
 
   CPDFSDK_InterForm* GetInterForm() const { return m_pInterForm; }
   CPDF_FormField* GetFormField() const;
@@ skipping 15 matching lines @@
                       const CFX_Matrix* pUser2Device,
                       CPDF_Annot::AppearanceMode mode,
                       const CPDF_RenderOptions* pOptions) override;
 
   FX_BOOL HitTest(FX_FLOAT pageX, FX_FLOAT pageY);
 
  private:
   void ResetAppearance_PushButton();
   void ResetAppearance_CheckBox();
   void ResetAppearance_RadioButton();
-  void ResetAppearance_ComboBox(const FX_WCHAR* sValue);
+  void ResetAppearance_ComboBox(const CFX_WideString* sValue);
   void ResetAppearance_ListBox();
-  void ResetAppearance_TextField(const FX_WCHAR* sValue);
+  void ResetAppearance_TextField(const CFX_WideString* sValue);
 
   CFX_FloatRect GetClientRect() const;
   CFX_FloatRect GetRotatedRect() const;
 
   CFX_ByteString GetBackgroundAppStream() const;
   CFX_ByteString GetBorderAppStream() const;
   CFX_Matrix GetMatrix() const;
 
   CPWL_Color GetTextPWLColor() const;
   CPWL_Color GetBorderPWLColor() const;
   CPWL_Color GetFillPWLColor() const;
 
   void AddImageToAppearance(const CFX_ByteString& sAPType, CPDF_Stream* pImage);
   void RemoveAppearance(const CFX_ByteString& sAPType);
 
   CPDFSDK_InterForm* const m_pInterForm;
   FX_BOOL m_bAppModified;
   int32_t m_nAppAge;
   int32_t m_nValueAge;
 
 #ifdef PDF_ENABLE_XFA
   mutable CXFA_FFWidget* m_hMixXFAWidget;
   mutable CXFA_FFWidgetHandler* m_pWidgetHandler;
 #endif  // PDF_ENABLE_XFA
 };
 
 #endif  // FPDFSDK_INCLUDE_CPDFSDK_WIDGET_H_