Do not check pointers before deleting them.

xfa/fde/fde_render.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/fde/fde_render.h"
 
 #include "xfa/fde/fde_gedevice.h"
 #include "xfa/fde/fde_object.h"
@@ skipping 87 matching lines @@
 }
 
 void CFDE_RenderContext::StopRender() {
   m_eStatus = FDE_RENDERSTATUS_Reset;
   m_pRenderDevice = nullptr;
   m_Transform.SetIdentity();
   if (m_pIterator) {
     m_pIterator->Release();
     m_pIterator = nullptr;
   }
-  if (m_pBrush) {
-    delete m_pBrush;
-    m_pBrush = nullptr;
-  }
+  delete m_pBrush;
+  m_pBrush = nullptr;
   FX_Free(m_pCharPos);
   m_pCharPos = nullptr;
   m_iCharPosCount = 0;
 }
 
 void CFDE_RenderContext::RenderText(IFDE_TextSet* pTextSet,
                                     FDE_HVISUALOBJ hText) {
   ASSERT(m_pRenderDevice);
   ASSERT(pTextSet && hText);
 
@@ skipping 41 matching lines @@
   m_Transform.TransformRect(rtClip);
   const CFX_RectF& rtDevClip = m_pRenderDevice->GetClipRect();
   rtClip.Intersect(rtDevClip);
   hState = m_pRenderDevice->SaveState();
   return m_pRenderDevice->SetClipRect(rtClip);
 }
 
 void CFDE_RenderContext::RestoreClip(FDE_HDEVICESTATE hState) {
   m_pRenderDevice->RestoreState(hState);
 }