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

tests/ColorFilterTest.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 "SkColor.h"
 #include "SkColorFilter.h"
@@ skipping 17 matching lines @@
 
 template <typename T> T* reincarnate(T* obj) {
     return (T*)reincarnate_flattenable(obj);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 #define ILLEGAL_MODE    ((SkXfermode::Mode)-1)
 
 static void test_asColorMode(skiatest::Reporter* reporter) {
-    SkMWCRandom rand;
+    SkRandom rand;
 
     for (int mode = 0; mode <= SkXfermode::kLastMode; mode++) {
         SkColor color = rand.nextU();
 
         // ensure we always get a filter, by avoiding the possibility of a
         // special case that would return NULL (if color's alpha is 0 or 0xFF)
         color = SkColorSetA(color, 0x7F);
 
         SkColorFilter* cf = SkColorFilter::CreateModeFilter(color,
                                                         (SkXfermode::Mode)mode);
@@ skipping 39 matching lines @@
             SkXfermode::Mode m2 = ILLEGAL_MODE;
             REPORTER_ASSERT(reporter, cf2->asColorMode(&c2, &m2));
             REPORTER_ASSERT(reporter, c2 == expectedColor);
             REPORTER_ASSERT(reporter, m2 == expectedMode);
         }
     }
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("ColorFilter", ColorFilterTestClass, test_asColorMode)