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

tests/PaintTest.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 "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 53 matching lines @@
 
     static const struct {
         size_t (*fSeedTextProc)(const SkUnichar[], void* dst, int count);
         SkPaint::TextEncoding   fEncoding;
     } gRec[] = {
         { uni_to_utf8,  SkPaint::kUTF8_TextEncoding },
         { uni_to_utf16, SkPaint::kUTF16_TextEncoding },
         { uni_to_utf32, SkPaint::kUTF32_TextEncoding },
     };
 
-    SkMWCRandom rand;
+    SkRandom rand;
     SkPaint paint;
     paint.setTypeface(SkTypeface::RefDefault())->unref();
     SkTypeface* face = paint.getTypeface();
 
     for (int i = 0; i < 1000; ++i) {
         // generate some random text
         for (int j = 0; j < NGLYPHS; ++j) {
             src[j] = ' ' + j;
         }
         // inject some random chars, to sometimes abort early
@@ skipping 162 matching lines @@
 
     // need to implement charsToGlyphs on other backends (e.g. linux, win)
     // before we can run this tests everywhere
     if (false) {
        test_cmap(reporter);
     }
 }
 
 #include "TestClassDef.h"
 DEFINE_TESTCLASS("Paint", TestPaintClass, TestPaint)