Cleanup env variable names

fpdfsdk/formfiller/cffl_combobox.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_combobox.h"
 
 #include "fpdfsdk/cpdfsdk_formfillenvironment.h"
 #include "fpdfsdk/cpdfsdk_widget.h"
@@ skipping 37 matching lines @@
 
   return cp;
 }
 
 CPWL_Wnd* CFFL_ComboBox::NewPDFWindow(const PWL_CREATEPARAM& cp,
                                       CPDFSDK_PageView* pPageView) {
   CPWL_ComboBox* pWnd = new CPWL_ComboBox();
   pWnd->AttachFFLData(this);
   pWnd->Create(cp);
 
-  CFFL_InteractiveFormFiller* pFormFiller = m_pEnv->GetInteractiveFormFiller();
+  CFFL_InteractiveFormFiller* pFormFiller =
+      m_pFormFillEnv->GetInteractiveFormFiller();
   pWnd->SetFillerNotify(pFormFiller);
 
   int32_t nCurSel = m_pWidget->GetSelectedIndex(0);
   CFX_WideString swText;
   if (nCurSel < 0)
     swText = m_pWidget->GetValue();
   else
     swText = m_pWidget->GetOptionLabel(nCurSel);
 
   for (int32_t i = 0, sz = m_pWidget->CountOptions(); i < sz; i++) {
@@ skipping 184 matching lines @@
   if (CPWL_ComboBox* pComboBox =
           static_cast<CPWL_ComboBox*>(GetPDFWindow(pPageView, FALSE))) {
     if (CPWL_Edit* pEdit = pComboBox->GetEdit())
       return pEdit->IsTextFull();
   }
   return FALSE;
 }
 #endif  // PDF_ENABLE_XFA
 
 void CFFL_ComboBox::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);
   }
 }
 
 CFX_WideString CFFL_ComboBox::GetSelectExportText() {
   CFX_WideString swRet;
 
   int nExport = -1;
   CPDFSDK_PageView* pPageView = GetCurPageView(true);
   if (CPWL_ComboBox* pComboBox =
           (CPWL_ComboBox*)GetPDFWindow(pPageView, FALSE)) {
     nExport = pComboBox->GetSelect();
   }
 
   if (nExport >= 0) {
     if (CPDF_FormField* pFormField = m_pWidget->GetFormField()) {
       swRet = pFormField->GetOptionValue(nExport);
       if (swRet.IsEmpty())
         swRet = pFormField->GetOptionLabel(nExport);
     }
   }
 
   return swRet;
 }