use SkClipOps instead of (deprecated) SkRegion ops

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 272 matching lines @@
     void drawBitmapRect(const SkBitmap&, const SkRect*, const SkRect&, const SkPaint* = 0);
     void drawOval(const SkRect&, const SkPaint&);
     void drawPath(const SkPath&, const SkPaint&);
     void drawRect(const SkRect&, const SkPaint&);
     void drawPosText(const void* text, size_t byteLength, const SkPoint pos[], const SkRect& textRect, const SkPaint&);
     void drawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], SkScalar constY, const SkRect& textRect, const SkPaint&);
     void drawTextBlob(const SkTextBlob*, const SkPoint& origin, const SkPaint&);
 
     void clip(const IntRect& rect) { clipRect(rect); }
     void clip(const FloatRect& rect) { clipRect(rect); }
-    void clipRoundedRect(const RoundedRect&, SkRegion::Op = SkRegion::kIntersect_Op);
-    void clipOut(const IntRect& rect) { clipRect(rect, NotAntiAliased, SkRegion::kDifference_Op); }
+    void clipRoundedRect(const RoundedRect&, SkClipOp = kIntersect_SkClipOp);
+    void clipOut(const IntRect& rect) { clipRect(rect, NotAntiAliased, kDifference_SkClipOp); }
     void clipOut(const Path&);
     void clipOutRoundedRect(const RoundedRect&);
     void clipPath(const Path&, WindRule = RULE_EVENODD, AntiAliasingMode = AntiAliased);
-    void clipPath(const SkPath&, AntiAliasingMode = NotAntiAliased, SkRegion::Op = SkRegion::kIntersect_Op);
+    void clipPath(const SkPath&, AntiAliasingMode = NotAntiAliased, SkClipOp = kIntersect_SkClipOp);
     void clipPolygon(size_t numPoints, const FloatPoint*, bool antialias);
-    void clipRect(const SkRect&, AntiAliasingMode = NotAntiAliased, SkRegion::Op = SkRegion::kIntersect_Op);
+    void clipRect(const SkRect&, AntiAliasingMode = NotAntiAliased, SkClipOp = kIntersect_SkClipOp);
 
     void drawText(const Font&, const TextRunPaintInfo&, const FloatPoint&);
     void drawEmphasisMarks(const Font&, const TextRunPaintInfo&, const AtomicString& mark, const FloatPoint&);
     void drawBidiText(const Font&, const TextRunPaintInfo&, const FloatPoint&, Font::CustomFontNotReadyAction = Font::DoNotPaintIfFontNotReady);
     void drawHighlightForText(const Font&, const TextRun&, const FloatPoint&, int h, const Color& backgroundColor, int from = 0, int to = -1);
 
     void drawLineForText(const FloatPoint&, float width, bool printing);
     enum DocumentMarkerLineStyle {
         DocumentMarkerSpellingLineStyle,
         DocumentMarkerGrammarLineStyle
@@ skipping 110 matching lines @@
 
     void saveLayer(const SkRect* bounds, const SkPaint*);
     void restoreLayer();
 
     // Helpers for drawing a focus ring (drawFocusRing)
     float prepareFocusRingPaint(SkPaint&, const Color&, int width) const;
     void drawFocusRingPath(const SkPath&, const Color&, int width);
     void drawFocusRingRect(const SkRect&, const Color&, int width);
 
     // SkCanvas wrappers.
-    void clipRRect(const SkRRect&, AntiAliasingMode = NotAntiAliased, SkRegion::Op = SkRegion::kIntersect_Op);
+    void clipRRect(const SkRRect&, AntiAliasingMode = NotAntiAliased, SkClipOp = kIntersect_SkClipOp);
     void concat(const SkMatrix&);
     void drawRRect(const SkRRect&, const SkPaint&);
 
     void setDropShadowImageFilter(PassRefPtr<SkImageFilter>);
     void clearDropShadowImageFilter();
     SkImageFilter* dropShadowImageFilter() const { return immutableState()->dropShadowImageFilter(); }
 
     // Apply deferred paint state saves
     void realizePaintSave()
     {
@@ skipping 62 matching lines @@
     unsigned m_accelerated : 1;
     unsigned m_isCertainlyOpaque : 1;
     unsigned m_printing : 1;
     unsigned m_antialiasHairlineImages : 1;
     unsigned m_shouldSmoothFonts : 1;
 };
 
 } // namespace blink
 
 #endif // GraphicsContext_h