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

bench/BitmapRectBench.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 "SkBitmap.h"
 #include "SkPaint.h"
@@ skipping 68 matching lines @@
             fDstR.offset(SK_Scalar1 / 3, SK_Scalar1 * 5 / 7);
             // want enough to create a scale matrix, but not enough to scare
             // off our sniffer which tries to see if the matrix is "effectively"
             // translate-only.
             fDstR.fRight += SK_Scalar1 / (kWidth * 60);
         }
     }
 
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
-        SkMWCRandom rand;
+        SkRandom rand;
 
         SkPaint paint;
         this->setupPaint(&paint);
         paint.setFilterBitmap(fDoFilter);
         paint.setAlpha(fAlpha);
 
         for (int i = 0; i < N; i++) {
             canvas->drawBitmapRectToRect(fBitmap, &fSrcR, fDstR, &paint);
         }
     }
 
 private:
     typedef SkBenchmark INHERITED;
 };
 
 DEF_BENCH(return new BitmapRectBench(p, 0xFF, false, false))
 DEF_BENCH(return new BitmapRectBench(p, 0x80, false, false))
 DEF_BENCH(return new BitmapRectBench(p, 0xFF, true, false))
 DEF_BENCH(return new BitmapRectBench(p, 0x80, true, false))
 
 DEF_BENCH(return new BitmapRectBench(p, 0xFF, false, true))
 DEF_BENCH(return new BitmapRectBench(p, 0xFF, true, true))