And before I forget: Remove UnitTest() method declaration from GrRedBlackTree

src/gpu/GrRedBlackTree.h

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrRedBlackTree_DEFINED
 #define GrRedBlackTree_DEFINED
 
@@ skipping 107 matching lines @@
     int countOf(const T& t) const;
 
     /**
      * Removes the item indicated by an iterator. The iterator will not be valid
      * afterwards.
      *
      * @param iter      iterator of item to remove. Must be valid (not end()).
      */
     void remove(const Iter& iter) { deleteAtNode(iter.fN); }
 
-    static void UnitTest();
-
 private:
     enum Color {
         kRed_Color,
         kBlack_Color
     };
 
     enum Child {
         kLeft_Child  = 0,
         kRight_Child = 1
     };
@@ skipping 796 matching lines @@
                     return validateChildRelationsFailed();
                 }
             }
         }
     }
     return true;
 }
 #endif
 
 #endif