SkAutoRef seems lonely. Might as well delete it.

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 230 matching lines @@
     T*  fObj;
 };
 // Can't use the #define trick below to guard a bare SkAutoTUnref(...) because it's templated. :(
 
 class SkAutoUnref : public SkAutoTUnref<SkRefCnt> {
 public:
     SkAutoUnref(SkRefCnt* obj) : SkAutoTUnref<SkRefCnt>(obj) {}
 };
 #define SkAutoUnref(...) SK_REQUIRE_LOCAL_VAR(SkAutoUnref)
 
-class SkAutoRef : SkNoncopyable {
-public:
-    SkAutoRef(SkRefCnt* obj) : fObj(obj) { SkSafeRef(obj); }
-    ~SkAutoRef() { SkSafeUnref(fObj); }
-private:
-    SkRefCnt* fObj;
-};
-#define SkAutoRef(...) SK_REQUIRE_LOCAL_VAR(SkAutoRef)
-
 /** Wrapper class for SkRefCnt pointers. This manages ref/unref of a pointer to
     a SkRefCnt (or subclass) object.
  */
 template <typename T> class SkRefPtr {
 public:
     SkRefPtr() : fObj(NULL) {}
     SkRefPtr(T* obj) : fObj(obj) { SkSafeRef(fObj); }
     SkRefPtr(const SkRefPtr& o) : fObj(o.fObj) { SkSafeRef(fObj); }
     ~SkRefPtr() { SkSafeUnref(fObj); }
 
@@ skipping 13 matching lines @@
     typedef T* SkRefPtr::*unspecified_bool_type;
     operator unspecified_bool_type() const {
         return fObj ? &SkRefPtr::fObj : NULL;
     }
 
 private:
     T* fObj;
 };
 
 #endif