Remove FFI_ from CPDFSDK_Environment method names

fpdfsdk/javascript/app.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/javascript/app.h"
 
 #include <memory>
 #include <vector>
@@ skipping 307 matching lines @@
 FX_BOOL app::platform(IJS_Context* cc,
                       CJS_PropValue& vp,
                       CFX_WideString& sError) {
   if (!vp.IsGetting())
     return FALSE;
 #ifdef PDF_ENABLE_XFA
   CPDFSDK_Environment* pEnv =
       static_cast<CJS_Context*>(cc)->GetJSRuntime()->GetReaderApp();
   if (!pEnv)
     return FALSE;
-  CFX_WideString platfrom = pEnv->FFI_GetPlatform();
+  CFX_WideString platfrom = pEnv->GetPlatform();
   if (!platfrom.IsEmpty()) {
     vp << platfrom;
     return TRUE;
   }
 #endif
   vp << JS_STR_PLATFORM;
   return TRUE;
 }
 
 FX_BOOL app::language(IJS_Context* cc,
                       CJS_PropValue& vp,
                       CFX_WideString& sError) {
   if (!vp.IsGetting())
     return FALSE;
 #ifdef PDF_ENABLE_XFA
   CPDFSDK_Environment* pEnv =
       static_cast<CJS_Context*>(cc)->GetJSRuntime()->GetReaderApp();
   if (!pEnv)
     return FALSE;
-  CFX_WideString language = pEnv->FFI_GetLanguage();
+  CFX_WideString language = pEnv->GetLanguage();
   if (!language.IsEmpty()) {
     vp << language;
     return TRUE;
   }
 #endif
   vp << JS_STR_LANGUANGE;
   return TRUE;
 }
 
 // creates a new fdf object that contains no data
@@ skipping 453 matching lines @@
 FX_BOOL app::media(IJS_Context* cc, CJS_PropValue& vp, CFX_WideString& sError) {
   return FALSE;
 }
 
 FX_BOOL app::execDialog(IJS_Context* cc,
                         const std::vector<CJS_Value>& params,
                         CJS_Value& vRet,
                         CFX_WideString& sError) {
   return TRUE;
 }