abstract name of clipping ops, to transtion to a more restricted set

src/core/SkRecorder.cpp

Index: src/core/SkRecorder.cpp
diff --git a/src/core/SkRecorder.cpp b/src/core/SkRecorder.cpp
index 4c09e514be5f7997752fe94b73364d9d450e4c9e..0c236716bc86a3ae52e052b7014de119e8ccc0c4 100644
--- a/src/core/SkRecorder.cpp
+++ b/src/core/SkRecorder.cpp
@@ -402,25 +402,25 @@ void SkRecorder::didTranslateZ(SkScalar z) {
 #endif
 }
 
-void SkRecorder::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
+void SkRecorder::onClipRect(const SkRect& rect, ClipOp op, ClipEdgeStyle edgeStyle) {
     INHERITED(onClipRect, rect, op, edgeStyle);
-    SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
+    SkRecords::ClipOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
     APPEND(ClipRect, this->devBounds(), rect, opAA);
 }
 
-void SkRecorder::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
+void SkRecorder::onClipRRect(const SkRRect& rrect, ClipOp op, ClipEdgeStyle edgeStyle) {
     INHERITED(onClipRRect, rrect, op, edgeStyle);
-    SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
+    SkRecords::ClipOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
     APPEND(ClipRRect, this->devBounds(), rrect, opAA);
 }
 
-void SkRecorder::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
+void SkRecorder::onClipPath(const SkPath& path, ClipOp op, ClipEdgeStyle edgeStyle) {
     INHERITED(onClipPath, path, op, edgeStyle);
-    SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
+    SkRecords::ClipOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
     APPEND(ClipPath, this->devBounds(), path, opAA);
 }
 
-void SkRecorder::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
+void SkRecorder::onClipRegion(const SkRegion& deviceRgn, ClipOp op) {
     INHERITED(onClipRegion, deviceRgn, op);
     APPEND(ClipRegion, this->devBounds(), deviceRgn, op);
 }