make SkRefCnt::getRefCnt() debug-only, remove it from SkNVRefCnt.

tests/RefDictTest.cpp

Index: tests/RefDictTest.cpp
diff --git a/tests/RefDictTest.cpp b/tests/RefDictTest.cpp
index 1e18a6815d0b1ac6047205c61f4b9af75ca97075..23e4b114a5359be6a94538f92cb69295b163b84d 100644
--- a/tests/RefDictTest.cpp
+++ b/tests/RefDictTest.cpp
@@ -25,50 +25,50 @@ DEF_TEST(RefDict, reporter) {
 
     dict.set("foo", &data0);
     REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
-    REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
+    REPORTER_ASSERT(reporter, !data0.unique());
 
     dict.set("foo", &data0);
     REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
-    REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
+    REPORTER_ASSERT(reporter, !data0.unique());
 
     dict.set("foo", &data1);
     REPORTER_ASSERT(reporter, &data1 == dict.find("foo"));
-    REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
-    REPORTER_ASSERT(reporter, 2 == data1.getRefCnt());
+    REPORTER_ASSERT(reporter, data0.unique());
+    REPORTER_ASSERT(reporter, !data1.unique());
 
     dict.set("foo", NULL);
     REPORTER_ASSERT(reporter, NULL == dict.find("foo"));
-    REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
-    REPORTER_ASSERT(reporter, 1 == data1.getRefCnt());
+    REPORTER_ASSERT(reporter, data0.unique());
+    REPORTER_ASSERT(reporter, data1.unique());
 
     dict.set("foo", &data0);
     dict.set("bar", &data1);
     REPORTER_ASSERT(reporter, &data0 == dict.find("foo"));
     REPORTER_ASSERT(reporter, &data1 == dict.find("bar"));
-    REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
-    REPORTER_ASSERT(reporter, 2 == data1.getRefCnt());
+    REPORTER_ASSERT(reporter, !data0.unique());
+    REPORTER_ASSERT(reporter, !data1.unique());
 
     dict.set("foo", &data1);
     REPORTER_ASSERT(reporter, &data1 == dict.find("foo"));
     REPORTER_ASSERT(reporter, &data1 == dict.find("bar"));
-    REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
-    REPORTER_ASSERT(reporter, 3 == data1.getRefCnt());
+    REPORTER_ASSERT(reporter, data0.unique());
+    REPORTER_ASSERT(reporter, !data1.unique());
 
     dict.removeAll();
     REPORTER_ASSERT(reporter, NULL == dict.find("foo"));
     REPORTER_ASSERT(reporter, NULL == dict.find("bar"));
-    REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
-    REPORTER_ASSERT(reporter, 1 == data1.getRefCnt());
+    REPORTER_ASSERT(reporter, data0.unique());
+    REPORTER_ASSERT(reporter, data1.unique());
 
     {
         SkRefDict d;
         REPORTER_ASSERT(reporter, NULL == d.find("foo"));
-        REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
+        REPORTER_ASSERT(reporter, data0.unique());
         d.set("foo", &data0);
         REPORTER_ASSERT(reporter, &data0 == d.find("foo"));
-        REPORTER_ASSERT(reporter, 2 == data0.getRefCnt());
+        REPORTER_ASSERT(reporter, !data0.unique());
         // let d go out of scope still with a ref on data0
     }
     // be sure d's destructor lowered data0's owner count back to 1
-    REPORTER_ASSERT(reporter, 1 == data0.getRefCnt());
+    REPORTER_ASSERT(reporter, data0.unique());
 }