Cleanup: Do not check pointers before deleting them.

fpdfsdk/src/pdfwindow/PWL_Wnd.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 "../../include/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_Utils.h"
 #include "../../include/pdfwindow/PWL_ScrollBar.h"
@@ skipping 53 matching lines @@
 }
 
 /* -------------------------- CPWL_TimerHandler -------------------------- */
 
 CPWL_TimerHandler::CPWL_TimerHandler() : m_pTimer(NULL)
 {
 }
 
 CPWL_TimerHandler::~CPWL_TimerHandler()
 {
-        if (m_pTimer) delete m_pTimer;
+    delete m_pTimer;
 }
 
 void CPWL_TimerHandler::BeginTimer(int32_t nElapse)
 {
         if (!m_pTimer)
                 m_pTimer = new CPWL_Timer(this, GetSystemHandler());
 
         if (m_pTimer)
                 m_pTimer->SetPWLTimer(nElapse);
 }
@@ skipping 1214 matching lines @@
 FX_BOOL CPWL_Wnd::IsINSERTpressed(FX_DWORD nFlag) const
 {
         if (IFX_SystemHandler* pSystemHandler = GetSystemHandler())
         {
                 return pSystemHandler->IsINSERTKeyDown(nFlag);
         }
 
         return FALSE;
 }