Unref GrXPFactory.

src/gpu/GrDrawContext.cpp

Index: src/gpu/GrDrawContext.cpp
diff --git a/src/gpu/GrDrawContext.cpp b/src/gpu/GrDrawContext.cpp
index 581bf087f28c8ec73d6a5fc5b7fcdf047b6bed7f..280e6326c909fcae43c6d11a65a5eef8362e3c61 100644
--- a/src/gpu/GrDrawContext.cpp
+++ b/src/gpu/GrDrawContext.cpp
@@ -409,7 +409,7 @@ void GrDrawContextPriv::stencilRect(const GrFixedClip& clip,
 
     GrPaint paint;
     paint.setAntiAlias(doAA);
-    paint.setXPFactory(GrDisableColorXPFactory::Create());
+    SkSafeUnref(paint.setXPFactory(GrDisableColorXPFactory::Create()));
 
     SkAutoTUnref<GrDrawBatch> batch(fDrawContext->getFillRectBatch(paint, viewMatrix, rect));
     SkASSERT(batch);