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

samplecode/SampleApp.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 "SampleApp.h"
 
 #include "SkData.h"
 #include "SkCanvas.h"
@@ skipping 2417 matching lines @@
         }
     }
 
     for (int k = 0; k < count - 1; k++) {
         SkASSERT(!(array[k+1] < array[k]));
     }
 }
 
 #include "SkRandom.h"
 
-static void rand_rect(SkIRect* rect, SkMWCRandom& rand) {
+static void rand_rect(SkIRect* rect, SkRandom& rand) {
     int bits = 8;
     int shift = 32 - bits;
     rect->set(rand.nextU() >> shift, rand.nextU() >> shift,
               rand.nextU() >> shift, rand.nextU() >> shift);
     rect->sort();
 }
 
 static void dumpRect(const SkIRect& r) {
     SkDebugf(" { %d, %d, %d, %d },\n",
              r.fLeft, r.fTop,
@@ skipping 43 matching lines @@
     } gRecs[] = {
         { r0, SK_ARRAY_COUNT(r0) },
         { r1, SK_ARRAY_COUNT(r1) },
         { r2, SK_ARRAY_COUNT(r2) },
     };
 
     for (i = 0; i < SK_ARRAY_COUNT(gRecs); i++) {
         test_rects(gRecs[i].fRects, gRecs[i].fCount);
     }
 
-    SkMWCRandom rand;
+    SkRandom rand;
     for (i = 0; i < 10000; i++) {
         SkRegion rgn0, rgn1;
 
         const int N = 8;
         SkIRect rect[N];
         for (int j = 0; j < N; j++) {
             rand_rect(&rect[j], rand);
         }
         test_rects(rect, N);
     }
@@ skipping 32 matching lines @@
     SkGraphics::Init();
     SkEvent::Init();
 }
 
 // FIXME: this should be in a header
 void application_term();
 void application_term() {
     SkEvent::Term();
     SkGraphics::Term();
 }