Cleanup: Do not check pointers before deleting them, part 2.

core/src/fxge/agg/src/fx_agg_driver.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/fxge/fx_ge.h"
 #include "../../dib/dib_int.h"
 #include "../../ge/text_int.h"
 #include "../../../../include/fxcodec/fx_codec.h"
@@ skipping 189 matching lines @@
     m_bRgbByteOrder = bRgbByteOrder;
     m_pOriDevice = pOriDevice;
     m_bGroupKnockout = bGroupKnockout;
     m_FillFlags = 0;
     InitPlatform();
 }
 CFX_AggDeviceDriver::~CFX_AggDeviceDriver()
 {
     delete m_pClipRgn;
     for (int i = 0; i < m_StateStack.GetSize(); i ++)
-        if (m_StateStack[i]) {
-            delete (CFX_ClipRgn*)m_StateStack[i];
-        }
+        delete (CFX_ClipRgn*)m_StateStack[i];
     DestroyPlatform();
 }
 #if _FXM_PLATFORM_  != _FXM_PLATFORM_APPLE_
 void CFX_AggDeviceDriver::InitPlatform()
 {
 }
 void CFX_AggDeviceDriver::DestroyPlatform()
 {
 }
 FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars, const FXTEXT_CHARPOS* pCharPos, CFX_Font* pFont,
@@ skipping 1372 matching lines @@
     IFX_RenderDeviceDriver* pDriver = new CFX_AggDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE);
     SetDeviceDriver(pDriver);
     return TRUE;
 }
 CFX_FxgeDevice::~CFX_FxgeDevice()
 {
     if (m_bOwnedBitmap) {
         delete GetBitmap();
     }
 }