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

bench/AAClipBench.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBenchmark.h"
 #include "SkAAClip.h"
 #include "SkPath.h"
@@ skipping 76 matching lines @@
     typedef SkBenchmark INHERITED;
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 // This bench tests out nested clip stacks. It is intended to simulate
 // how WebKit nests clips.
 class NestedAAClipBench : public SkBenchmark {
     SkString fName;
     bool     fDoAA;
     SkRect   fDrawRect;
-    SkMWCRandom fRandom;
+    SkRandom fRandom;
 
     static const int kNumDraws = SkBENCHLOOP(2);
     static const int kNestingDepth = 3;
     static const int kImageSize = 400;
 
     SkPoint fSizes[kNestingDepth+1];
 
 public:
     NestedAAClipBench(void* param, bool doAA)
         : INHERITED(param)
@@ skipping 173 matching lines @@
 static BenchRegistry gReg000(Fact000);
 static BenchRegistry gReg001(Fact001);
 static BenchRegistry gReg002(Fact002);
 static BenchRegistry gReg003(Fact003);
 
 static SkBenchmark* Fact004(void* p) { return SkNEW_ARGS(NestedAAClipBench, (p, false)); }
 static SkBenchmark* Fact005(void* p) { return SkNEW_ARGS(NestedAAClipBench, (p, true)); }
 
 static BenchRegistry gReg004(Fact004);
 static BenchRegistry gReg005(Fact005);