Remove FWL globals.

xfa/fwl/core/ifwl_timer.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/fwl/core/ifwl_adaptertimermgr.h"
 #include "xfa/fwl/core/ifwl_app.h"
 #include "xfa/fwl/core/ifwl_timer.h"
+#include "xfa/fwl/core/ifwl_widget.h"
 #include "xfa/fxfa/xfa_ffapp.h"
 
 IFWL_TimerInfo* IFWL_Timer::StartTimer(uint32_t dwElapse, bool bImmediately) {
-  CXFA_FFApp* pAdapterNative = FWL_GetAdapterNative();
+  const IFWL_App* pApp = m_pWidget->GetOwnerApp();
+  if (!pApp)
+    return nullptr;
+
+  CXFA_FFApp* pAdapterNative = pApp->GetAdapterNative();
   if (!pAdapterNative)
     return nullptr;
 
   IFWL_AdapterTimerMgr* pAdapterTimerMgr = pAdapterNative->GetTimerMgr();
   if (!pAdapterTimerMgr)
     return nullptr;
 
   IFWL_TimerInfo* pTimerInfo = nullptr;
   pAdapterTimerMgr->Start(this, dwElapse, bImmediately, &pTimerInfo);
   return pTimerInfo;
 }
 
 FWL_Error IFWL_TimerInfo::StopTimer() {
-  CXFA_FFApp* pAdapterNative = FWL_GetAdapterNative();
-  if (!pAdapterNative)
-    return FWL_Error::Indefinite;
-
-  IFWL_AdapterTimerMgr* pAdapterTimerMgr = pAdapterNative->GetTimerMgr();
-  if (!pAdapterTimerMgr)
-    return FWL_Error::Indefinite;
-
-  return pAdapterTimerMgr->Stop(this);
+  return m_pMgr->Stop(this);
 }