Remove default arguments from CFX_FxgeDevice.

core/fxge/agg/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 "core/fxge/agg/fx_agg_driver.h"
 
 #include <algorithm>
 
@@ skipping 171 matching lines @@
     stroke.width(width);
     rasterizer.add_path_transformed(stroke, pObject2Device);
   }
 }
 
 IFX_RenderDeviceDriver* IFX_RenderDeviceDriver::CreateFxgeDriver(
     CFX_DIBitmap* pBitmap,
     FX_BOOL bRgbByteOrder,
     CFX_DIBitmap* pOriDevice,
     FX_BOOL bGroupKnockout) {
-  return new CFX_AggDeviceDriver(pBitmap, 0, bRgbByteOrder, pOriDevice,
+  return new CFX_AggDeviceDriver(pBitmap, bRgbByteOrder, pOriDevice,
                                  bGroupKnockout);
 }
 
 CFX_AggDeviceDriver::CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap,
-                                         int dither_bits,
                                          FX_BOOL bRgbByteOrder,
                                          CFX_DIBitmap* pOriDevice,
                                          FX_BOOL bGroupKnockout) {
   m_pBitmap = pBitmap;
-  m_DitherBits = dither_bits;
   m_pClipRgn = nullptr;
   m_pPlatformBitmap = nullptr;
   m_pPlatformGraphics = nullptr;
   m_pDwRenderTartget = nullptr;
   m_bRgbByteOrder = bRgbByteOrder;
   m_pOriDevice = pOriDevice;
   m_bGroupKnockout = bGroupKnockout;
   m_FillFlags = 0;
   InitPlatform();
 }
@@ skipping 50 matching lines @@
           flags |= FXRC_BITMASK_OUTPUT;
         } else {
           flags |= FXRC_BYTEMASK_OUTPUT;
         }
       }
       if (m_pBitmap->IsCmykImage()) {
         flags |= FXRC_CMYK_OUTPUT;
       }
       return flags;
     }
-    case FXDC_DITHER_BITS:
-      return m_DitherBits;
   }
   return 0;
 }
 
 void CFX_AggDeviceDriver::SaveState() {
   CFX_ClipRgn* pClip = nullptr;
   if (m_pClipRgn) {
     pClip = new CFX_ClipRgn(*m_pClipRgn);
   }
   m_StateStack.Add(pClip);
@@ skipping 1492 matching lines @@
   }
   delete (CFX_ImageRenderer*)pHandle;
 }
 
 #ifndef _SKIA_SUPPORT_
 CFX_FxgeDevice::CFX_FxgeDevice() {
   m_bOwnedBitmap = FALSE;
 }
 
 bool CFX_FxgeDevice::Attach(CFX_DIBitmap* pBitmap,
-                            int dither_bits,
                             bool bRgbByteOrder,
                             CFX_DIBitmap* pOriDevice,
                             bool bGroupKnockout) {
-  if (!pBitmap) {
+  if (!pBitmap)
     return false;
-  }
+
   SetBitmap(pBitmap);
   IFX_RenderDeviceDriver* pDriver = new CFX_AggDeviceDriver(
-      pBitmap, dither_bits, bRgbByteOrder, pOriDevice, bGroupKnockout);
+      pBitmap, bRgbByteOrder, pOriDevice, bGroupKnockout);
   SetDeviceDriver(pDriver);
   return true;
 }
 
 bool CFX_FxgeDevice::Create(int width,
                             int height,
                             FXDIB_Format format,
-                            int dither_bits,
                             CFX_DIBitmap* pOriDevice) {
   m_bOwnedBitmap = true;
   CFX_DIBitmap* pBitmap = new CFX_DIBitmap;
   if (!pBitmap->Create(width, height, format)) {
     delete pBitmap;
     return false;
   }
   SetBitmap(pBitmap);
   IFX_RenderDeviceDriver* pDriver =
-      new CFX_AggDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE);
+      new CFX_AggDeviceDriver(pBitmap, FALSE, pOriDevice, FALSE);
   SetDeviceDriver(pDriver);
   return true;
 }
 
 CFX_FxgeDevice::~CFX_FxgeDevice() {
   if (m_bOwnedBitmap) {
     delete GetBitmap();
   }
 }
 #endif