cc: Don't leak a ref to SkColorFilter.

skia/ext/refptr_unittest.cc

Index: skia/ext/refptr_unittest.cc
diff --git a/skia/ext/refptr_unittest.cc b/skia/ext/refptr_unittest.cc
index 1d63ed1b1e929b1041783a24c6f3fd32a854b968..0b512a2a70a3aca7bfe7b1758fd27f3d73aca5e4 100644
--- a/skia/ext/refptr_unittest.cc
+++ b/skia/ext/refptr_unittest.cc
@@ -9,6 +9,11 @@
 namespace skia {
 namespace {
 
+TEST(RefPtrTest, EmptyContruction) {
+  RefPtr<SkRefCnt> refptr;
+  EXPECT_FALSE(refptr);
+}
+
 TEST(RefPtrTest, ReferenceCounting) {
   SkRefCnt* ref = new SkRefCnt();
   EXPECT_EQ(1, ref->getRefCnt());
@@ -121,5 +126,24 @@ TEST(RefPtrTest, Upcast) {
   EXPECT_EQ(2, parent->getRefCnt());
 }
 
+bool Factory(SkRefCnt** refcnt) {
+  *refcnt = new SkRefCnt;
+  return true;
+}
+
+TEST(RefPtrTest, Receive) {
+  RefPtr<SkRefCnt> refptr;
+  Factory(refptr.ReceiveAndAdoptRef());
+  EXPECT_EQ(1, refptr->getRefCnt());
+}
+
+TEST(RefPtrTest, ReceiveAndUseInSameExpression) {
+  // This should assert, but only in debug mode.
+#ifndef NDEBUG
+  RefPtr<SkRefCnt> refptr;
+  EXPECT_DEATH({ Factory(refptr.ReceiveAndAdoptRef()) && refptr.get(); }, "");
+#endif
+}
+
 }  // namespace
 }  // namespace skia