Remove FFI_ from CPDFSDK_Environment method names

fpdfsdk/cpdfsdk_pageview.cpp

 // 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
 
 #include "fpdfsdk/include/cpdfsdk_pageview.h"
 
 #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
 #include "core/fpdfapi/fpdf_render/include/cpdf_renderoptions.h"
@@ skipping 506 matching lines @@
   for (CPDFSDK_Annot* pAnnot : m_fxAnnotArray)
     m_pSDKDoc->GetEnv()->GetAnnotHandlerMgr()->ReleaseAnnot(pAnnot);
   m_fxAnnotArray.clear();
   m_pAnnotList.reset();
   SetLock(FALSE);
 }
 
 void CPDFSDK_PageView::UpdateRects(const std::vector<CFX_FloatRect>& rects) {
   CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv();
   for (const auto& rc : rects)
-    pEnv->FFI_Invalidate(m_page, rc.left, rc.top, rc.right, rc.bottom);
+    pEnv->Invalidate(m_page, rc.left, rc.top, rc.right, rc.bottom);
 }
 
 void CPDFSDK_PageView::UpdateView(CPDFSDK_Annot* pAnnot) {
   CFX_FloatRect rcWindow = pAnnot->GetRect();
   CPDFSDK_Environment* pEnv = m_pSDKDoc->GetEnv();
-  pEnv->FFI_Invalidate(m_page, rcWindow.left, rcWindow.top, rcWindow.right,
-                       rcWindow.bottom);
+  pEnv->Invalidate(m_page, rcWindow.left, rcWindow.top, rcWindow.right,
+                   rcWindow.bottom);
 }
 
 int CPDFSDK_PageView::GetPageIndex() const {
   if (!m_page)
     return -1;
 
 #ifdef PDF_ENABLE_XFA
   int nDocType = m_page->GetDocument()->GetDocType();
   switch (nDocType) {
     case DOCTYPE_DYNAMIC_XFA: {
@@ skipping 33 matching lines @@
       return pAnnot;
   }
   return nullptr;
 }
 
 int CPDFSDK_PageView::GetPageIndexForStaticPDF() const {
   CPDF_Dictionary* pDict = GetPDFPage()->m_pFormDict;
   CPDF_Document* pDoc = m_pSDKDoc->GetPDFDocument();
   return (pDoc && pDict) ? pDoc->GetPageIndex(pDict->GetObjNum()) : -1;
 }