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

src/gpu/GrEffect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrEffect.h"
 #include "GrBackendEffectFactory.h"
 #include "GrContext.h"
 #include "GrMemoryPool.h"
 #include "SkTLS.h"
 
 SK_DEFINE_INST_COUNT(GrEffect)
 
 #if SK_ALLOW_STATIC_GLOBAL_INITIALIZERS
 SkTArray<GrEffectTestFactory*, true>* GrEffectTestFactory::GetFactories() {
     static SkTArray<GrEffectTestFactory*, true> gFactories;
     return &gFactories;
 }
 #endif
 
 namespace GrEffectUnitTest {
-const SkMatrix& TestMatrix(SkMWCRandom* random) {
+const SkMatrix& TestMatrix(SkRandom* random) {
     static SkMatrix gMatrices[5];
     static bool gOnce;
     if (!gOnce) {
         gMatrices[0].reset();
         gMatrices[1].setTranslate(SkIntToScalar(-100), SkIntToScalar(100));
         gMatrices[2].setRotate(SkIntToScalar(17));
         gMatrices[3].setRotate(SkIntToScalar(185));
         gMatrices[3].postTranslate(SkIntToScalar(66), SkIntToScalar(-33));
         gMatrices[3].postScale(SkIntToScalar(2), SK_ScalarHalf);
         gMatrices[4].setRotate(SkIntToScalar(215));
@@ skipping 60 matching lines @@
     fVertexAttribTypes.push_back(type);
 }
 
 void* GrEffect::operator new(size_t size) {
     return GrEffect_Globals::GetTLS()->allocate(size);
 }
 
 void GrEffect::operator delete(void* target) {
     GrEffect_Globals::GetTLS()->release(target);
 }