Get rid of NULLs in xfa/

xfa/fwl/basewidget/fwl_tooltipctrlimp.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_tooltipctrlimp.h"
 
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fwl/basewidget/ifwl_tooltip.h"
@@ skipping 72 matching lines @@
 }
 
 FWL_Error CFWL_ToolTipImp::Finalize() {
   delete m_pDelegate;
   m_pDelegate = nullptr;
   return CFWL_WidgetImp::Finalize();
 }
 FWL_Error CFWL_ToolTipImp::GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize) {
   if (bAutoSize) {
     rect.Set(0, 0, 0, 0);
-    if (!m_pProperties->m_pThemeProvider) {
+    if (!m_pProperties->m_pThemeProvider)
       m_pProperties->m_pThemeProvider = GetAvailableTheme();
-    }
+
     CFX_WideString wsCaption;
     IFWL_ToolTipDP* pData =
         static_cast<IFWL_ToolTipDP*>(m_pProperties->m_pDataProvider);
     if (pData) {
       pData->GetCaption(m_pInterface, wsCaption);
     }
     int32_t iLen = wsCaption.GetLength();
     if (iLen > 0) {
       CFX_SizeF sz = CalcTextSize(wsCaption, m_pProperties->m_pThemeProvider);
       rect.Set(0, 0, sz.x, sz.y);
@@ skipping 194 matching lines @@
 void CFWL_ToolTipImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
   CFWL_WidgetImpDelegate::OnProcessMessage(pMessage);
 }
 
 void CFWL_ToolTipImpDelegate::OnProcessEvent(CFWL_Event* pEvent) {}
 
 void CFWL_ToolTipImpDelegate::OnDrawWidget(CFX_Graphics* pGraphics,
                                            const CFX_Matrix* pMatrix) {
   m_pOwner->DrawWidget(pGraphics, pMatrix);
 }