Add SkASSERTF.

include/core/SkRefCnt.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkRefCnt_DEFINED
@@ skipping 19 matching lines @@
     SK_DECLARE_INST_COUNT_ROOT(SkRefCntBase)
 
     /** Default construct, initializing the reference count to 1.
     */
     SkRefCntBase() : fRefCnt(1) {}
 
     /** Destruct, asserting that the reference count is 1.
     */
     virtual ~SkRefCntBase() {
 #ifdef SK_DEBUG
-        SkASSERT(fRefCnt == 1);
+        SkASSERTF(fRefCnt == 1, "fRefCnt was %d", fRefCnt);
         fRefCnt = 0;    // illegal value, to catch us if we reuse after delete
 #endif
     }
 
     /** Return the reference count. Use only for debugging. */
     int32_t getRefCnt() const { return fRefCnt; }
 
     /** May return true if the caller is the only owner.
      *  Ensures that all previous owner's actions are complete.
      */
@@ skipping 232 matching lines @@
     typedef T* SkRefPtr::*unspecified_bool_type;
     operator unspecified_bool_type() const {
         return fObj ? &SkRefPtr::fObj : NULL;
     }
 
 private:
     T* fObj;
 };
 
 #endif