Cleanup env variable names

fpdfsdk/formfiller/cffl_textfield.cpp

 // Copyright 2014 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
 
 #include "fpdfsdk/formfiller/cffl_textfield.h"
 
 #include "fpdfsdk/cpdfsdk_formfillenvironment.h"
 #include "fpdfsdk/cpdfsdk_widget.h"
@@ skipping 55 matching lines @@
       break;
     case BF_ALIGN_MIDDLE:
       cp.dwFlags |= PES_MIDDLE;
       break;
     case BF_ALIGN_RIGHT:
       cp.dwFlags |= PES_RIGHT;
       break;
   }
 
   if (!m_pFontMap) {
-    m_pFontMap =
-        pdfium::MakeUnique<CBA_FontMap>(m_pWidget, m_pEnv->GetSysHandler());
+    m_pFontMap = pdfium::MakeUnique<CBA_FontMap>(
+        m_pWidget, m_pFormFillEnv->GetSysHandler());
   }
   cp.pFontMap = m_pFontMap.get();
   cp.pFocusHandler = this;
 
   return cp;
 }
 
 CPWL_Wnd* CFFL_TextField::NewPDFWindow(const PWL_CREATEPARAM& cp,
                                        CPDFSDK_PageView* pPageView) {
   CPWL_Edit* pWnd = new CPWL_Edit();
   pWnd->AttachFFLData(this);
   pWnd->Create(cp);
-  pWnd->SetFillerNotify(m_pEnv->GetInteractiveFormFiller());
+  pWnd->SetFillerNotify(m_pFormFillEnv->GetInteractiveFormFiller());
 
   int32_t nMaxLen = m_pWidget->GetMaxLen();
   CFX_WideString swValue = m_pWidget->GetValue();
 
   if (nMaxLen > 0) {
     if (pWnd->HasFlag(PES_CHARARRAY)) {
       pWnd->SetCharArray(nMaxLen);
       pWnd->SetAlignFormatV(PEAV_CENTER);
     } else {
       pWnd->SetLimitChar(nMaxLen);
     }
   }
 
   pWnd->SetText(swValue);
   return pWnd;
 }
 
 FX_BOOL CFFL_TextField::OnChar(CPDFSDK_Annot* pAnnot,
                                uint32_t nChar,
                                uint32_t nFlags) {
   switch (nChar) {
     case FWL_VKEY_Return:
       if (!(m_pWidget->GetFieldFlags() & FIELDFLAG_MULTILINE)) {
         CPDFSDK_PageView* pPageView = GetCurPageView(true);
         ASSERT(pPageView);
         m_bValid = !m_bValid;
         CFX_FloatRect rcAnnot = pAnnot->GetRect();
-        m_pEnv->Invalidate(pAnnot->GetUnderlyingPage(), rcAnnot.left,
-                           rcAnnot.top, rcAnnot.right, rcAnnot.bottom);
+        m_pFormFillEnv->Invalidate(pAnnot->GetUnderlyingPage(), rcAnnot.left,
+                                   rcAnnot.top, rcAnnot.right, rcAnnot.bottom);
 
         if (m_bValid) {
           if (CPWL_Wnd* pWnd = GetPDFWindow(pPageView, TRUE))
             pWnd->SetFocus();
         } else {
           if (CommitData(pPageView, nFlags)) {
             DestroyPDFWindow(pPageView);
             return TRUE;
           }
           return FALSE;
@@ skipping 134 matching lines @@
 FX_BOOL CFFL_TextField::IsFieldFull(CPDFSDK_PageView* pPageView) {
   if (CPWL_Edit* pWnd = (CPWL_Edit*)GetPDFWindow(pPageView, FALSE)) {
     return pWnd->IsTextFull();
   }
 
   return FALSE;
 }
 #endif  // PDF_ENABLE_XFA
 
 void CFFL_TextField::OnSetFocus(CPWL_Wnd* pWnd) {
-  ASSERT(m_pEnv);
+  ASSERT(m_pFormFillEnv);
   if (pWnd->GetClassName() == PWL_CLASSNAME_EDIT) {
     CPWL_Edit* pEdit = (CPWL_Edit*)pWnd;
     pEdit->SetCharSet(FXFONT_GB2312_CHARSET);
     pEdit->SetCodePage(936);
 
     pEdit->SetReadyToInput();
     CFX_WideString wsText = pEdit->GetText();
     int nCharacters = wsText.GetLength();
     CFX_ByteString bsUTFText = wsText.UTF16LE_Encode();
     unsigned short* pBuffer = (unsigned short*)bsUTFText.c_str();
-    m_pEnv->OnSetFieldInputFocus(pBuffer, nCharacters, TRUE);
+    m_pFormFillEnv->OnSetFieldInputFocus(pBuffer, nCharacters, TRUE);
   }
 }