Remove GraphicsContext::fastMod and ::isDrawingToLayer.

Source/platform/graphics/GraphicsContext.h

 /*
  * Copyright (C) 2003, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008-2009 Torch Mobile, Inc.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
@@ skipping 408 matching lines @@
     static inline int getFocusRingOutset(int offset) { return offset + 2; }
 #else
     static inline int getFocusRingOutset(int offset) { return 0; }
     static const SkPMColor lineColors(int);
     static const SkPMColor antiColors1(int);
     static const SkPMColor antiColors2(int);
     static void draw1xMarker(SkBitmap*, int);
     static void draw2xMarker(SkBitmap*, int);
 #endif
 
-    // Return value % max, but account for value possibly being negative.
-    static int fastMod(int value, int max)
-    {
-        bool isNeg = false;
-        if (value < 0) {
-            value = -value;
-            isNeg = true;
-        }
-        if (value >= max)
-            value %= max;
-        if (isNeg)
-            value = -value;
-        return value;
-    }
-
     // Helpers for drawing a focus ring (drawFocusRing)
     void drawOuterPath(const SkPath&, SkPaint&, int);
     void drawInnerPath(const SkPath&, SkPaint&, int);
 
     // SkCanvas wrappers.
-    bool isDrawingToLayer() const { return m_canvas->isDrawingToLayer(); }
-
     void clipPath(const SkPath&, AntiAliasingMode = NotAntiAliased, SkRegion::Op = SkRegion::kIntersect_Op);
     void clipRRect(const SkRRect&, AntiAliasingMode = NotAntiAliased, SkRegion::Op = SkRegion::kIntersect_Op);
 
     void concat(const SkMatrix&);
 
     // Apply deferred paint state saves
     void realizePaintSave()
     {
         if (contextDisabled())
             return;
@@ skipping 75 matching lines @@
     bool m_updatingControlTints : 1;
     bool m_accelerated : 1;
     bool m_isCertainlyOpaque : 1;
     bool m_printing : 1;
     bool m_antialiasHairlineImages : 1;
 };
 
 } // namespace WebCore
 
 #endif // GraphicsContext_h