Revert: Only create widgets if really needed

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>
@@ skipping 21 matching lines @@
  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,
-                            bool createIfNeeded) const;
+  CPDFSDK_Widget* GetWidget(CPDF_FormControl* pControl) const;
   void GetWidgets(const CFX_WideString& sFieldName,
                   std::vector<CPDFSDK_Widget*>* widgets) const;
   void GetWidgets(CPDF_FormField* pField,
                   std::vector<CPDFSDK_Widget*>* widgets) const;
 
   void AddMap(CPDF_FormControl* pControl, CPDFSDK_Widget* pWidget);
   void RemoveMap(CPDF_FormControl* pControl);
 
   void EnableCalculate(bool bEnabled);
   bool IsCalculateEnabled() const;
@@ skipping 80 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_