Get rid of most instance of 'foo != NULL'

core/src/fxge/ge/fx_ge_device.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 "core/include/fxge/fx_ge.h"
 
 CFX_RenderDevice::CFX_RenderDevice() {
   m_pDeviceDriver = NULL;
   m_pBitmap = NULL;
 }
 CFX_RenderDevice::~CFX_RenderDevice() {
   delete m_pDeviceDriver;
 }
 void CFX_RenderDevice::SetDeviceDriver(IFX_RenderDeviceDriver* pDriver) {
   delete m_pDeviceDriver;
   m_pDeviceDriver = pDriver;
   InitDeviceInfo();
 }
 void CFX_RenderDevice::InitDeviceInfo() {
-  ASSERT(m_pDeviceDriver != NULL);
   m_Width = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_WIDTH);
   m_Height = m_pDeviceDriver->GetDeviceCaps(FXDC_PIXEL_HEIGHT);
   m_bpp = m_pDeviceDriver->GetDeviceCaps(FXDC_BITS_PIXEL);
   m_RenderCaps = m_pDeviceDriver->GetDeviceCaps(FXDC_RENDER_CAPS);
   m_DeviceClass = m_pDeviceDriver->GetDeviceCaps(FXDC_DEVICE_CLASS);
   if (!m_pDeviceDriver->GetClipBox(&m_ClipBox)) {
     m_ClipBox.left = 0;
     m_ClipBox.top = 0;
     m_ClipBox.right = m_Width;
     m_ClipBox.bottom = m_Height;
@@ skipping 433 matching lines @@
   return m_pDeviceDriver->StartDIBits(pBitmap, bitmap_alpha, argb, pMatrix,
                                       flags, handle, alpha_flag, pIccTransform,
                                       blend_mode);
 }
 FX_BOOL CFX_RenderDevice::ContinueDIBits(void* handle, IFX_Pause* pPause) {
   return m_pDeviceDriver->ContinueDIBits(handle, pPause);
 }
 void CFX_RenderDevice::CancelDIBits(void* handle) {
   m_pDeviceDriver->CancelDIBits(handle);
 }