Change old PRG to be SkLCGRandom; change new one to SkRandom

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
@@ skipping 931 matching lines @@
     return true;
 }
 #endif
 
 #include "SkRandom.h"
 
 template <typename T, typename C>
 void GrRedBlackTree<T,C>::UnitTest() {
     GrRedBlackTree<int> tree;
 
-    SkMWCRandom r;
+    SkRandom r;
 
     int count[100] = {0};
     // add 10K ints
     for (int i = 0; i < 10000; ++i) {
         int x = r.nextU()%100;
         SkDEBUGCODE(Iter xi = ) tree.insert(x);
         SkASSERT(*xi == x);
         ++count[x];
     }
 
@@ skipping 145 matching lines @@
     // remove all entries
     while (!tree.empty()) {
         tree.remove(tree.begin());
     }
 
     // test reset on empty tree.
     tree.reset();
 }
 
 #endif