Remove default arguments from IFX_RenderDeviceDriver.

core/fxge/ge/fx_ge_text.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 <limits>
 #include <vector>
 
 #include "core/fxcodec/include/fx_codec.h"
@@ skipping 430 matching lines @@
                                          CFX_FontCache* pCache,
                                          FX_FLOAT font_size,
                                          const CFX_Matrix* pText2Device,
                                          uint32_t fill_color,
                                          uint32_t text_flags) {
   int nativetext_flags = text_flags;
   if (m_DeviceClass != FXDC_DISPLAY) {
     if (!(text_flags & FXTEXT_PRINTGRAPHICTEXT)) {
       if (ShouldDrawDeviceText(pFont, text_flags) &&
           m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache,
-                                          pText2Device, font_size, fill_color,
-                                          0, nullptr)) {
+                                          pText2Device, font_size,
+                                          fill_color)) {
         return TRUE;
       }
     }
     if (FXARGB_A(fill_color) < 255)
       return FALSE;
   } else if (!(text_flags & FXTEXT_NO_NATIVETEXT)) {
     if (ShouldDrawDeviceText(pFont, text_flags) &&
         m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache,
-                                        pText2Device, font_size, fill_color, 0,
-                                        nullptr)) {
+                                        pText2Device, font_size, fill_color)) {
       return TRUE;
     }
   }
   CFX_Matrix char2device;
   CFX_Matrix text2Device;
   if (pText2Device) {
     char2device = *pText2Device;
     text2Device = *pText2Device;
   }
   char2device.Scale(font_size, -font_size);
@@ skipping 961 matching lines @@
 void _CFX_UniqueKeyGen::Generate(int count, ...) {
   va_list argList;
   va_start(argList, count);
   for (int i = 0; i < count; i++) {
     int p = va_arg(argList, int);
     ((uint32_t*)m_Key)[i] = p;
   }
   va_end(argList);
   m_KeyLen = count * sizeof(uint32_t);
 }