Remove default arguments from IFX_RenderDeviceDriver.

core/fxge/skia/fx_skia_device.h

Index: core/fxge/skia/fx_skia_device.h
diff --git a/core/fxge/skia/fx_skia_device.h b/core/fxge/skia/fx_skia_device.h
index c9ff9f163209dfc04045c13a46187b6a642d4a43..15f6306cb0ed2922687bf9de605a319c787b7b94 100644
--- a/core/fxge/skia/fx_skia_device.h
+++ b/core/fxge/skia/fx_skia_device.h
@@ -52,15 +52,11 @@ class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver {
                    uint32_t fill_color,
                    uint32_t stroke_color,
                    int fill_mode,
-                   int alpha_flag = 0,
-                   void* pIccTransform = nullptr,
-                   int blend_type = FXDIB_BLEND_NORMAL) override;
+                   int blend_type) override;
 
-  FX_BOOL FillRect(const FX_RECT* pRect,
-                   uint32_t fill_color,
-                   int alpha_flag = 0,
-                   void* pIccTransform = nullptr,
-                   int blend_type = FXDIB_BLEND_NORMAL) override;
+  FX_BOOL FillRectWithBlend(const FX_RECT* pRect,
+                            uint32_t fill_color,
+                            int blend_type) override;
 
   /** Draw a single pixel (device dependant) line */
   FX_BOOL DrawCosmeticLine(FX_FLOAT x1,
@@ -68,20 +64,14 @@ class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver {
                            FX_FLOAT x2,
                            FX_FLOAT y2,
                            uint32_t color,
-                           int alpha_flag = 0,
-                           void* pIccTransform = nullptr,
-                           int blend_type = FXDIB_BLEND_NORMAL) override {
+                           int blend_type) override {
     return FALSE;
   }
 
   FX_BOOL GetClipBox(FX_RECT* pRect) override;
 
   /** Load device buffer into a DIB */
-  FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap,
-                    int left,
-                    int top,
-                    void* pIccTransform = nullptr,
-                    FX_BOOL bDEdge = FALSE) override;
+  FX_BOOL GetDIBits(CFX_DIBitmap* pBitmap, int left, int top) override;
 
   CFX_DIBitmap* GetBackDrop() override { return m_pOriDevice; }
 
@@ -90,9 +80,7 @@ class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver {
                     const FX_RECT* pSrcRect,
                     int dest_left,
                     int dest_top,
-                    int blend_type,
-                    int alpha_flag = 0,
-                    void* pIccTransform = nullptr) override;
+                    int blend_type) override;
   FX_BOOL StretchDIBits(const CFX_DIBSource* pBitmap,
                         uint32_t color,
                         int dest_left,
@@ -101,9 +89,7 @@ class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver {
                         int dest_height,
                         const FX_RECT* pClipRect,
                         uint32_t flags,
-                        int alpha_flag = 0,
-                        void* pIccTransform = nullptr,
-                        int blend_type = FXDIB_BLEND_NORMAL) override;
+                        int blend_type) override;
 
   FX_BOOL StartDIBits(const CFX_DIBSource* pBitmap,
                       int bitmap_alpha,
@@ -111,9 +97,7 @@ class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver {
                       const CFX_Matrix* pMatrix,
                       uint32_t flags,
                       void*& handle,
-                      int alpha_flag = 0,
-                      void* pIccTransform = nullptr,
-                      int blend_type = FXDIB_BLEND_NORMAL) override;
+                      int blend_type) override;
 
   FX_BOOL ContinueDIBits(void* handle, IFX_Pause* pPause) override {
     return FALSE;
@@ -127,9 +111,7 @@ class CFX_SkiaDeviceDriver : public IFX_RenderDeviceDriver {
                          CFX_FontCache* pCache,
                          const CFX_Matrix* pObject2Device,
                          FX_FLOAT font_size,
-                         uint32_t color,
-                         int alpha_flag = 0,
-                         void* pIccTransform = nullptr) override;
+                         uint32_t color) override;
 
   FX_BOOL DrawShading(const CPDF_ShadingPattern* pPattern,
                       const CFX_Matrix* pMatrix,