Get rid of NULLs in xfa/

xfa/fwl/basewidget/fwl_spinbuttonimp.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/basewidget/fwl_spinbuttonimp.h"
 
 #include "xfa/fwl/basewidget/ifwl_spinbutton.h"
 #include "xfa/fwl/core/cfwl_message.h"
@@ skipping 115 matching lines @@
     return FWL_WidgetHit::UpButton;
   if (m_rtDnButton.Contains(fx, fy))
     return FWL_WidgetHit::DownButton;
   return FWL_WidgetHit::Unknown;
 }
 FWL_Error CFWL_SpinButtonImp::DrawWidget(CFX_Graphics* pGraphics,
                                          const CFX_Matrix* pMatrix) {
   if (!pGraphics)
     return FWL_Error::Indefinite;
   CFX_RectF rtClip(m_rtClient);
-  if (pMatrix) {
+  if (pMatrix)
     pMatrix->TransformRect(rtClip);
-  }
   IFWL_ThemeProvider* pTheme = GetAvailableTheme();
   if (HasBorder()) {
     DrawBorder(pGraphics, CFWL_Part::Border, pTheme, pMatrix);
   }
   if (HasEdge()) {
     DrawEdge(pGraphics, CFWL_Part::Edge, pTheme, pMatrix);
   }
   DrawUpButton(pGraphics, pTheme, pMatrix);
   DrawDownButton(pGraphics, pTheme, pMatrix);
   return FWL_Error::Succeeded;
@@ skipping 286 matching lines @@
   if (!bUpEnable && !bDownEnable) {
     return;
   }
   CFWL_EvtSpbClick wmPosChanged;
   wmPosChanged.m_pSrcTarget = m_pOwner->m_pInterface;
   wmPosChanged.m_bUp = bUpEnable;
   m_pOwner->DispatchEvent(&wmPosChanged);
   m_pOwner->Repaint(bUpEnable ? &m_pOwner->m_rtUpButton
                               : &m_pOwner->m_rtDnButton);
 }