Add effect-based clip for nine-patch SkRRects.

gm/rrects.cpp

Index: gm/rrects.cpp
diff --git a/gm/rrects.cpp b/gm/rrects.cpp
index a79ff5462f67d71fe817c864c7eb2d1bae333a6a..2b177a269775c90956557a836c62df37b8a4b48d 100644
--- a/gm/rrects.cpp
+++ b/gm/rrects.cpp
@@ -189,7 +189,7 @@ private:
     static const int kTileY = 40;
 
     static const int kNumSimpleCases = 7;
-    static const int kNumComplexCases = 27;
+    static const int kNumComplexCases = 29;
     static const SkVector gRadii[kNumComplexCases][4];
 
     static const int kNumRRects = kNumSimpleCases + kNumComplexCases;
@@ -244,6 +244,10 @@ const SkVector RRectGM::gRadii[kNumComplexCases][4] = {
     { { 0, 0 }, { 0, 0 }, { 15, 15 }, { 0, 0 } },
     { { 0, 0 }, { 15, 15 }, { 0, 0 }, { 0, 0 } },
     { { 15, 15 }, { 0, 0 }, { 0, 0 }, { 0, 0 } },
+
+    // nine patch elliptical
+    { { 5, 7 }, { 8, 7 }, { 8, 12 }, { 5, 12 } },
+    { { 0, 7 }, { 8, 7 }, { 8, 12 }, { 0, 12 } },
 };
 
 ///////////////////////////////////////////////////////////////////////////////