Add dump() to SkClipStack to help with debugging.

include/core/SkRRect.h

Index: include/core/SkRRect.h
diff --git a/include/core/SkRRect.h b/include/core/SkRRect.h
index 5223ae7072d4fbbe788d028e8202d564fb9a89f0..d3f48cd48474f653d56fd45c468c8f6adaa03605 100644
--- a/include/core/SkRRect.h
+++ b/include/core/SkRRect.h
@@ -292,6 +292,14 @@ public:
      */
     bool transform(const SkMatrix& matrix, SkRRect* dst) const;
 
+#ifdef SK_DEVELOPER
+    /**
+     * Prints the rrect using SkDebugf. This is intended for Skia development debugging. Don't
+     * rely on the existence of this function or the formatting of its output.
+     */
+    void dump() const;
+#endif
+
 private:
     SkRect fRect;
     // Radii order is UL, UR, LR, LL. Use Corner enum to index into fRadii[]