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

tests/ClipStackTest.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"
 #if SK_SUPPORT_GPU
     #include "GrReducedClip.h"
@@ skipping 903 matching lines @@
 
     // We want to test inverse fills. However, they are quite rare in practice so don't over do it.
     static const SkScalar kFractionInverted = SK_Scalar1 / kMaxElemsPerTest;
 
     static const AddElementFunc kElementFuncs[] = {
         add_rect,
         add_round_rect,
         add_oval,
     };
 
-    SkMWCRandom r;
+    SkRandom r;
 
     for (int i = 0; i < kNumTests; ++i) {
         // Randomly generate a clip stack.
         SkClipStack stack;
         int numElems = r.nextRangeU(kMinElemsPerTest, kMaxElemsPerTest);
         for (int e = 0; e < numElems; ++e) {
             SkRegion::Op op = kOps[r.nextULessThan(SK_ARRAY_COUNT(kOps))];
             if (op == SkRegion::kReplace_Op) {
                 if (r.nextU() % kReplaceDiv) {
                     --e;
@@ skipping 120 matching lines @@
     test_rect_inverse_fill(reporter);
     test_path_replace(reporter);
     test_quickContains(reporter);
 #if SK_SUPPORT_GPU
     test_reduced_clip_stack(reporter);
 #endif
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("ClipStack", TestClipStackClass, TestClipStack)