Cleanup env variable names

fpdfsdk/cpdfsdk_annothandlermgr.cpp

Index: fpdfsdk/cpdfsdk_annothandlermgr.cpp
diff --git a/fpdfsdk/cpdfsdk_annothandlermgr.cpp b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
index 6401db8392635165805c6680836257103972df20..3d39c5d39aa01af8dbd565cc3f3f6af5ca4d6f2a 100644
--- a/fpdfsdk/cpdfsdk_annothandlermgr.cpp
+++ b/fpdfsdk/cpdfsdk_annothandlermgr.cpp
@@ -24,14 +24,14 @@
 #endif  // PDF_ENABLE_XFA
 
 CPDFSDK_AnnotHandlerMgr::CPDFSDK_AnnotHandlerMgr(
-    CPDFSDK_FormFillEnvironment* pEnv)
+    CPDFSDK_FormFillEnvironment* pFormFillEnv)
     : m_pBAAnnotHandler(new CPDFSDK_BAAnnotHandler()),
-      m_pWidgetHandler(new CPDFSDK_WidgetHandler(pEnv)),
+      m_pWidgetHandler(new CPDFSDK_WidgetHandler(pFormFillEnv)),
 #ifdef PDF_ENABLE_XFA
-      m_pXFAWidgetHandler(new CPDFSDK_XFAWidgetHandler(pEnv)),
+      m_pXFAWidgetHandler(new CPDFSDK_XFAWidgetHandler(pFormFillEnv)),
 #endif  // PDF_ENABLE_XFA
-      m_pEnv(pEnv) {
-  m_pWidgetHandler->SetFormFiller(m_pEnv->GetInteractiveFormFiller());
+      m_pFormFillEnv(pFormFillEnv) {
+  m_pWidgetHandler->SetFormFiller(m_pFormFillEnv->GetInteractiveFormFiller());
 }
 
 CPDFSDK_AnnotHandlerMgr::~CPDFSDK_AnnotHandlerMgr() {}
@@ -198,14 +198,15 @@ FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnChar(CPDFSDK_Annot* pAnnot,
 FX_BOOL CPDFSDK_AnnotHandlerMgr::Annot_OnKeyDown(CPDFSDK_Annot* pAnnot,
                                                  int nKeyCode,
                                                  int nFlag) {
-  if (m_pEnv->IsCTRLKeyDown(nFlag) || m_pEnv->IsALTKeyDown(nFlag))
+  if (m_pFormFillEnv->IsCTRLKeyDown(nFlag) ||
+      m_pFormFillEnv->IsALTKeyDown(nFlag))
     return GetAnnotHandler(pAnnot)->OnKeyDown(pAnnot, nKeyCode, nFlag);
 
   CPDFSDK_PageView* pPage = pAnnot->GetPageView();
   CPDFSDK_Annot* pFocusAnnot = pPage->GetFocusAnnot();
   if (pFocusAnnot && (nKeyCode == FWL_VKEY_Tab)) {
     CPDFSDK_Annot::ObservedPtr pNext(
-        GetNextAnnot(pFocusAnnot, !m_pEnv->IsSHIFTKeyDown(nFlag)));
+        GetNextAnnot(pFocusAnnot, !m_pFormFillEnv->IsSHIFTKeyDown(nFlag)));
     if (pNext && pNext.Get() != pFocusAnnot) {
       pPage->GetFormFillEnv()->SetFocusAnnot(&pNext);
       return TRUE;