Cleanup env variable names

fpdfsdk/cpdfsdk_formfillenvironment.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_FORMFILLENVIRONMENT_H_
 #define FPDFSDK_CPDFSDK_FORMFILLENVIRONMENT_H_
 
 #include <memory>
@@ skipping 74 matching lines @@
                        const std::vector<uint16_t>& arrSrcPages);
 
   int GetPageCount() { return m_pUnderlyingDoc->GetPageCount(); }
   FX_BOOL GetPermissions(int nFlag);
 
   FX_BOOL GetChangeMark() { return m_bChangeMask; }
   void SetChangeMark() { m_bChangeMask = TRUE; }
   void ClearChangeMark() { m_bChangeMask = FALSE; }
 
   UnderlyingPageType* GetPage(int nIndex);
-  CPDFSDK_FormFillEnvironment* GetEnv() { return this; }
 
   void ProcJavascriptFun();
   FX_BOOL ProcOpenAction();
 
   void Invalidate(FPDF_PAGE page,
                   double left,
                   double top,
                   double right,
                   double bottom);
   void OutputSelectedRect(FPDF_PAGE page,
@@ skipping 100 matching lines @@
                    int nStart,
                    int nEnd,
                    FPDF_BOOL bSilent,
                    FPDF_BOOL bShrinkToFit,
                    FPDF_BOOL bPrintAsImage,
                    FPDF_BOOL bReverse,
                    FPDF_BOOL bAnnotations);
   void JS_docgotoPage(int nPageNum);
 
   FX_BOOL IsJSInitiated() const { return m_pInfo && m_pInfo->m_pJsPlatform; }
-  CPDFSDK_FormFillEnvironment* GetSDKDocument() { return this; }
   CFX_ByteString GetAppName() const { return ""; }
   CFX_SystemHandler* GetSysHandler() const { return m_pSysHandler.get(); }
   FPDF_FORMFILLINFO* GetFormFillInfo() const { return m_pInfo; }
 
   // Creates if not present.
   CFFL_InteractiveFormFiller* GetInteractiveFormFiller();
   CPDFSDK_AnnotHandlerMgr* GetAnnotHandlerMgr();  // Creates if not present.
   IJS_Runtime* GetJSRuntime();                    // Creates if not present.
   CPDFSDK_ActionHandler* GetActionHander();       // Creates if not present.
 
  private:
   std::unique_ptr<CPDFSDK_AnnotHandlerMgr> m_pAnnotHandlerMgr;
   std::unique_ptr<CPDFSDK_ActionHandler> m_pActionHandler;
   std::unique_ptr<IJS_Runtime> m_pJSRuntime;
   FPDF_FORMFILLINFO* const m_pInfo;
   std::map<UnderlyingPageType*, CPDFSDK_PageView*> m_pageMap;
   std::unique_ptr<CPDFSDK_InterForm> m_pInterForm;
   CPDFSDK_Annot::ObservedPtr m_pFocusAnnot;
   UnderlyingDocumentType* m_pUnderlyingDoc;
   std::unique_ptr<CFFL_InteractiveFormFiller> m_pFormFiller;
   std::unique_ptr<CFX_SystemHandler> m_pSysHandler;
   FX_BOOL m_bChangeMask;
   FX_BOOL m_bBeingDestroyed;
 };
 
 #endif  // FPDFSDK_CPDFSDK_FORMFILLENVIRONMENT_H_