Remove some fx_dib functions with unused parameters.

core/fxge/win32/win32_int.h

 // 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
 
 #ifndef CORE_FXGE_WIN32_WIN32_INT_H_
 #define CORE_FXGE_WIN32_WIN32_INT_H_
 
 #include "core/fxge/include/fx_ge.h"
@@ skipping 130 matching lines @@
 
   void DrawLine(FX_FLOAT x1,
                 FX_FLOAT y1,
                 FX_FLOAT x2,
                 FX_FLOAT y2,
                 const CFX_Matrix* pMatrix);
 
   FX_BOOL GDI_SetDIBits(CFX_DIBitmap* pBitmap,
                         const FX_RECT* pSrcRect,
                         int left,
-                        int top,
-                        void* pIccTransform);
+                        int top);
   FX_BOOL GDI_StretchDIBits(CFX_DIBitmap* pBitmap,
                             int dest_left,
                             int dest_top,
                             int dest_width,
                             int dest_height,
-                            uint32_t flags,
-                            void* pIccTransform);
+                            uint32_t flags);
   FX_BOOL GDI_StretchBitMask(CFX_DIBitmap* pBitmap,
                              int dest_left,
                              int dest_top,
                              int dest_width,
                              int dest_height,
                              uint32_t bitmap_color,
-                             uint32_t flags,
-                             int alpha_flag,
-                             void* pIccTransform);
+                             uint32_t flags);
 
   HDC m_hDC;
   int m_Width;
   int m_Height;
   int m_nBitsPerPixel;
   int m_DeviceClass;
   int m_RenderCaps;
 };
 
 class CGdiDisplayDriver : public CGdiDeviceDriver {
@@ skipping 63 matching lines @@
                       const CFX_Matrix* pMatrix,
                       uint32_t render_flags,
                       void*& handle,
                       int blend_type) override;
 
   const int m_HorzSize;
   const int m_VertSize;
 };
 
 #endif  // CORE_FXGE_WIN32_WIN32_INT_H_