remove 'deprecated' region from SkDraw

src/core/SkRasterClip.h

Index: src/core/SkRasterClip.h
diff --git a/src/core/SkRasterClip.h b/src/core/SkRasterClip.h
index 5d99f1dfab6acda452fbba5919f95068ce74ac31..3d838a1d02e013fa292883c2de3f0c20a91da0fc 100644
--- a/src/core/SkRasterClip.h
+++ b/src/core/SkRasterClip.h
@@ -17,9 +17,17 @@ class SkRasterClip {
 public:
     SkRasterClip(bool forceConservativeRects = false);
     SkRasterClip(const SkIRect&, bool forceConservativeRects = false);
+    SkRasterClip(const SkRegion&);
     SkRasterClip(const SkRasterClip&);
     ~SkRasterClip();
 
+    // Only compares the current state. Does not compare isForceConservativeRects(), so that field
+    // could be different but this could still return true.
+    bool operator==(const SkRasterClip&) const;
+    bool operator!=(const SkRasterClip& other) const {
+        return !(*this == other);
+    }
+
     bool isForceConservativeRects() const { return fForceConservativeRects; }
 
     bool isBW() const { return fIsBW; }