Revert "Remove ability for Release code to call getRefCnt() or getWeakRefCnt()."

include/core/SkRefCnt.h

Index: include/core/SkRefCnt.h
diff --git a/include/core/SkRefCnt.h b/include/core/SkRefCnt.h
index d3a26df4d502d7db96e6765fb348467283478920..1724c77d8dc3b136d23915a886b820a3379f36d6 100644
--- a/include/core/SkRefCnt.h
+++ b/include/core/SkRefCnt.h
@@ -42,10 +42,8 @@ public:
 #endif
     }
 
-#ifdef SK_DEBUG
     /** Return the reference count. Use only for debugging. */
     int32_t getRefCnt() const { return fRefCnt; }
-#endif
 
     /** May return true if the caller is the only owner.
      *  Ensures that all previous owner's actions are complete.
@@ -120,9 +118,6 @@ private:
 
     mutable int32_t fRefCnt;
 
-    // Used by tests.
-    friend bool RefCntIs(const SkRefCntBase&, int32_t);
-
     typedef SkNoncopyable INHERITED;
 };