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

gm/nested.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 "gm.h"
 #include "SkRandom.h"
 #include "SkRRect.h"
@@ skipping 55 matching lines @@
         shapePaint.setAntiAlias(fDoAA);
 
         SkRect outerRect = SkRect::MakeWH(40, 40);
 
         SkRect innerRects[] = {
             { 10, 10, 30, 30 },     // small
             { .5f, 18, 4.5f, 22 }   // smaller and offset to left
         };
 
         // draw a background pattern to make transparency errors more apparent
-        SkMWCRandom rand;
+        SkRandom rand;
 
         for (int y = 0; y < kImageHeight; y += 10) {
             for (int x = 0; x < kImageWidth; x += 10) {
                 SkRect r = SkRect::MakeXYWH(SkIntToScalar(x),
                                             SkIntToScalar(y),
                                             10, 10);
                 SkPaint p;
                 p.setColor(rand.nextU() | 0xFF000000);
                 canvas->drawRect(r, p);
             }
@@ skipping 29 matching lines @@
     typedef GM INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new NestedGM(true); )
 DEF_GM( return new NestedGM(false); )
 
 
 }