Remove IFWL_*::Create methods, use new

xfa/fxfa/app/xfa_ffapp.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 "xfa/fxfa/xfa_ffapp.h"
 
 #include <algorithm>
 #include <utility>
@@ skipping 56 matching lines @@
   return FALSE;
 }
 
 void CXFA_FileRead::Release() {
   delete this;
 }
 
 CXFA_FFApp::CXFA_FFApp(IXFA_AppProvider* pProvider)
     : m_pProvider(pProvider),
       m_pWidgetMgrDelegate(nullptr),
-      m_pFWLApp(pdfium::MakeUnique<IFWL_App>(this)) {
+      m_pFWLApp(new IFWL_App(this)) {
   FWL_SetApp(m_pFWLApp.get());
   CXFA_TimeZoneProvider::Create();
 }
 
 CXFA_FFApp::~CXFA_FFApp() {
   CXFA_TimeZoneProvider::Destroy();
 }
 
 CXFA_FFDocHandler* CXFA_FFApp::GetDocHandler() {
   if (!m_pDocHandler)
@@ skipping 54 matching lines @@
     pDelegate->OnSetCapability(FWL_WGTMGR_DisableThread |
                                FWL_WGTMGR_DisableForm);
     m_pWidgetMgrDelegate = pDelegate;
   }
   return m_pAdapterWidgetMgr.get();
 }
 
 IFWL_AdapterTimerMgr* CXFA_FFApp::GetTimerMgr() const {
   return m_pProvider->GetTimerMgr();
 }