There can be only one (SkRandom)!

gm/polygons.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 "SkCanvas.h"
 #include "SkPath.h"
@@ skipping 70 matching lines @@
         }
     }
 
     // Set the location for the current test on the canvas
     static void SetLocation(SkCanvas* canvas, int counter, int lineNum) {
         SkScalar x = SK_Scalar1 * kCellSize * (counter % lineNum) + 30 + SK_Scalar1 / 4;
         SkScalar y = SK_Scalar1 * kCellSize * (counter / lineNum) + 30 + 3 * SK_Scalar1 / 4;
         canvas->translate(x, y);
     }
 
-    static void SetColorAndAlpha(SkPaint* paint, SkLCGRandom* rand) {
+    static void SetColorAndAlpha(SkPaint* paint, SkRandom* rand) {
         SkColor color = rand->nextU();
         color |= 0xff000000;
         paint->setColor(color);
         if (40 == paint->getStrokeWidth()) {
             paint->setAlpha(0xA0);
         }
     }
 
     virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
         // Stroke widths are:
         // 0(may use hairline rendering), 10(common case for stroke-style)
         // 40(>= geometry width/height, make the contour filled in fact)
         static const int kStrokeWidths[] = {0, 10, 40};
         SkASSERT(kNumStrokeWidths == SK_ARRAY_COUNT(kStrokeWidths));
 
         static const SkPaint::Join kJoins[] = {
             SkPaint::kMiter_Join, SkPaint::kRound_Join, SkPaint::kBevel_Join
         };
         SkASSERT(kNumJoins == SK_ARRAY_COUNT(kJoins));
 
         int counter = 0;
         SkPaint paint;
         paint.setAntiAlias(true);
 
-        SkLCGRandom rand;
+        SkRandom rand;
         // For stroke style painter
         paint.setStyle(SkPaint::kStroke_Style);
         for (int join = 0; join < kNumJoins; ++join) {
             for (int width = 0; width < kNumStrokeWidths; ++width) {
                 for (int i = 0; i < fPolygons.count(); ++i) {
                     canvas->save();
                     SetLocation(canvas, counter, fPolygons.count());
 
                     SetColorAndAlpha(&paint, &rand);
                     paint.setStrokeJoin(kJoins[join]);
@@ skipping 36 matching lines @@
 
     SkTArray<SkPath> fPolygons;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new PolygonsGM;)
 
 }