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

bench/BicubicBench.cpp

 /*
  * Copyright 2013 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 "SkCanvas.h"
 #include "SkRandom.h"
@@ skipping 19 matching lines @@
     virtual const char* onGetName() {
         return fName.c_str();
     }
 
     virtual void onDraw(SkCanvas* canvas) {
         SkPaint paint;
         this->setupPaint(&paint);
 
         paint.setAntiAlias(true);
 
-        SkMWCRandom rand;
+        SkRandom rand;
         SkRect r = SkRect::MakeWH(40, 40);
         SkAutoTUnref<SkImageFilter> bicubic(SkBicubicImageFilter::CreateMitchell(fScale));
         paint.setImageFilter(bicubic);
         canvas->save();
         canvas->clipRect(r);
         canvas->drawOval(r, paint);
         canvas->restore();
     }
 
 private:
     typedef SkBenchmark INHERITED;
 };
 
 static SkBenchmark* Fact00(void* p) { return new BicubicBench(p, 10.0f, 10.0f); }
 static SkBenchmark* Fact01(void* p) { return new BicubicBench(p, 2.5f, 10.0f); }
 static SkBenchmark* Fact02(void* p) { return new BicubicBench(p, 10.0f, 2.5f); }
 static SkBenchmark* Fact03(void* p) { return new BicubicBench(p, 2.5f, 2.5f); }
 
 static BenchRegistry gReg00(Fact00);
 static BenchRegistry gReg01(Fact01);
 static BenchRegistry gReg02(Fact02);
 static BenchRegistry gReg03(Fact03);