use SkClipOps instead of (deprecated) SkRegion ops

Source/platform/graphics/GraphicsContext.cpp

Index: Source/platform/graphics/GraphicsContext.cpp
diff --git a/Source/platform/graphics/GraphicsContext.cpp b/Source/platform/graphics/GraphicsContext.cpp
index 4ce482aefa6b19d5c961748aeebef2a915222af6..f36c5a67b0cbe3e8849936ba42888dce7ef53df5 100644
--- a/Source/platform/graphics/GraphicsContext.cpp
+++ b/Source/platform/graphics/GraphicsContext.cpp
@@ -1524,13 +1524,13 @@ void GraphicsContext::strokeEllipse(const FloatRect& ellipse)
     drawOval(ellipse, immutableState()->strokePaint());
 }
 
-void GraphicsContext::clipRoundedRect(const RoundedRect& rect, SkRegion::Op regionOp)
+void GraphicsContext::clipRoundedRect(const RoundedRect& rect, SkClipOp op)
 {
     if (contextDisabled())
         return;
 
     if (!rect.isRounded()) {
-        clipRect(rect.rect(), NotAntiAliased, regionOp);
+        clipRect(rect.rect(), NotAntiAliased, op);
         return;
     }
 
@@ -1541,7 +1541,7 @@ void GraphicsContext::clipRoundedRect(const RoundedRect& rect, SkRegion::Op regi
     SkRRect r;
     r.setRectRadii(rect.rect(), radii);
 
-    clipRRect(r, AntiAliased, regionOp);
+    clipRRect(r, AntiAliased, op);
 }
 
 void GraphicsContext::clipOut(const Path& pathToClip)
@@ -1589,10 +1589,10 @@ void GraphicsContext::clipOutRoundedRect(const RoundedRect& rect)
     if (contextDisabled())
         return;
 
-    clipRoundedRect(rect, SkRegion::kDifference_Op);
+    clipRoundedRect(rect, kDifference_SkClipOp);
 }
 
-void GraphicsContext::clipRect(const SkRect& rect, AntiAliasingMode aa, SkRegion::Op op)
+void GraphicsContext::clipRect(const SkRect& rect, AntiAliasingMode aa, SkClipOp op)
 {
     ASSERT(m_canvas);
     if (contextDisabled())
@@ -1601,7 +1601,7 @@ void GraphicsContext::clipRect(const SkRect& rect, AntiAliasingMode aa, SkRegion
     m_canvas->clipRect(rect, op, aa == AntiAliased);
 }
 
-void GraphicsContext::clipPath(const SkPath& path, AntiAliasingMode aa, SkRegion::Op op)
+void GraphicsContext::clipPath(const SkPath& path, AntiAliasingMode aa, SkClipOp op)
 {
     ASSERT(m_canvas);
     if (contextDisabled())
@@ -1610,7 +1610,7 @@ void GraphicsContext::clipPath(const SkPath& path, AntiAliasingMode aa, SkRegion
     m_canvas->clipPath(path, op, aa == AntiAliased);
 }
 
-void GraphicsContext::clipRRect(const SkRRect& rect, AntiAliasingMode aa, SkRegion::Op op)
+void GraphicsContext::clipRRect(const SkRRect& rect, AntiAliasingMode aa, SkClipOp op)
 {
     ASSERT(m_canvas);
     if (contextDisabled())