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

tests/DrawBitmapRectTest.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 "Test.h"
 #include "SkBitmap.h"
 #include "SkCanvas.h"
 #include "SkShader.h"
 #include "SkRandom.h"
 #include "SkMatrixUtils.h"
 
-static void rand_matrix(SkMatrix* mat, SkMWCRandom& rand, unsigned mask) {
+static void rand_matrix(SkMatrix* mat, SkRandom& rand, unsigned mask) {
     mat->setIdentity();
     if (mask & SkMatrix::kTranslate_Mask) {
         mat->postTranslate(rand.nextSScalar1(), rand.nextSScalar1());
     }
     if (mask & SkMatrix::kScale_Mask) {
         mat->postScale(rand.nextSScalar1(), rand.nextSScalar1());
     }
     if (mask & SkMatrix::kAffine_Mask) {
         mat->postRotate(rand.nextSScalar1() * 360);
     }
     if (mask & SkMatrix::kPerspective_Mask) {
         mat->setPerspX(rand.nextSScalar1());
         mat->setPerspY(rand.nextSScalar1());
     }
 }
 
-static void rand_size(SkISize* size, SkMWCRandom& rand) {
+static void rand_size(SkISize* size, SkRandom& rand) {
     size->set(rand.nextU() & 0xFFFF, rand.nextU() & 0xFFFF);
 }
 
 static bool treat_as_sprite(const SkMatrix& mat, const SkISize& size,
                             unsigned bits) {
     return SkTreatAsSprite(mat, size.width(), size.height(), bits);
 }
 
 static void test_treatAsSprite(skiatest::Reporter* reporter) {
     const unsigned bilerBits = kSkSubPixelBitsForBilerp;
 
     SkMatrix mat;
     SkISize  size;
-    SkMWCRandom rand;
+    SkRandom rand;
 
     // assert: translate-only no-filter can always be treated as sprite
     for (int i = 0; i < 1000; ++i) {
         rand_matrix(&mat, rand, SkMatrix::kTranslate_Mask);
         for (int j = 0; j < 1000; ++j) {
             rand_size(&size, rand);
             REPORTER_ASSERT(reporter, treat_as_sprite(mat, size, 0));
         }
     }
 
@@ skipping 208 matching lines @@
     REPORTER_ASSERT(reporter, check_for_all_zeros(dst));
 
     test_nan_antihair();
     test_giantrepeat_crbug118018(reporter);
 
     test_treatAsSprite(reporter);
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("DrawBitmapRect", TestDrawBitmapRectClass, TestDrawBitmapRect)