Cleanup env variable names

fpdfsdk/cpdfsdk_xfawidgethandler.cpp

Index: fpdfsdk/cpdfsdk_xfawidgethandler.cpp
diff --git a/fpdfsdk/cpdfsdk_xfawidgethandler.cpp b/fpdfsdk/cpdfsdk_xfawidgethandler.cpp
index eb194957d0081cecf080ca5d9495f6f1fc8deedc..f4c3ba52842d93c480673536ff5971ad6deff32e 100644
--- a/fpdfsdk/cpdfsdk_xfawidgethandler.cpp
+++ b/fpdfsdk/cpdfsdk_xfawidgethandler.cpp
@@ -22,8 +22,8 @@
 #include "xfa/fxgraphics/cfx_graphics.h"
 
 CPDFSDK_XFAWidgetHandler::CPDFSDK_XFAWidgetHandler(
-    CPDFSDK_FormFillEnvironment* pEnv)
-    : m_pEnv(pEnv) {}
+    CPDFSDK_FormFillEnvironment* pFormFillEnv)
+    : m_pFormFillEnv(pFormFillEnv) {}
 
 CPDFSDK_XFAWidgetHandler::~CPDFSDK_XFAWidgetHandler() {}
 
@@ -38,7 +38,7 @@ CPDFSDK_Annot* CPDFSDK_XFAWidgetHandler::NewAnnot(CPDF_Annot* pAnnot,
 
 CPDFSDK_Annot* CPDFSDK_XFAWidgetHandler::NewAnnot(CXFA_FFWidget* pAnnot,
                                                   CPDFSDK_PageView* pPage) {
-  CPDFSDK_InterForm* pInterForm = m_pEnv->GetSDKDocument()->GetInterForm();
+  CPDFSDK_InterForm* pInterForm = m_pFormFillEnv->GetInterForm();
   CPDFSDK_XFAWidget* pWidget = new CPDFSDK_XFAWidget(pAnnot, pPage, pInterForm);
   pInterForm->AddXFAMap(pAnnot, pWidget);
   return pWidget;
@@ -59,7 +59,7 @@ void CPDFSDK_XFAWidgetHandler::OnDraw(CPDFSDK_PageView* pPageView,
   mt = *pUser2Device;
 
   FX_BOOL bIsHighlight = FALSE;
-  if (pPageView->GetFormFillEnv()->GetSDKDocument()->GetFocusAnnot() != pAnnot)
+  if (pPageView->GetFormFillEnv()->GetFocusAnnot() != pAnnot)
     bIsHighlight = TRUE;
 
   GetXFAWidgetHandler(pAnnot)->RenderWidget(pAnnot->GetXFAWidget(), &gs, &mt,
@@ -114,10 +114,10 @@ FX_BOOL CPDFSDK_XFAWidgetHandler::HitTest(CPDFSDK_PageView* pPageView,
     return FALSE;
 
   CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv();
-  if (!pFormFillEnv->GetSDKDocument())
+  if (!pFormFillEnv)
     return FALSE;
 
-  CPDFXFA_Document* pDoc = pFormFillEnv->GetSDKDocument()->GetXFADocument();
+  CPDFXFA_Document* pDoc = pFormFillEnv->GetXFADocument();
   if (!pDoc)
     return FALSE;
 
@@ -343,10 +343,10 @@ CXFA_FFWidgetHandler* CPDFSDK_XFAWidgetHandler::GetXFAWidgetHandler(
     return nullptr;
 
   CPDFSDK_FormFillEnvironment* pFormFillEnv = pPageView->GetFormFillEnv();
-  if (!pFormFillEnv->GetSDKDocument())
+  if (!pFormFillEnv)
     return nullptr;
 
-  CPDFXFA_Document* pDoc = pFormFillEnv->GetSDKDocument()->GetXFADocument();
+  CPDFXFA_Document* pDoc = pFormFillEnv->GetXFADocument();
   if (!pDoc)
     return nullptr;