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

src/utils/SkPathUtils.cpp

 /*
  *  CAUTION: EXPERIMENTAL CODE
  *
  *  This code is not to be used and will not be supported
  *  if it fails on you. DO NOT USE!
  *
  */
 
 #include "SkPathUtils.h"
 
 #include "SkPath.h"
 #include "SkPathOps.h" // this can't be found, how do I link it?
 #include "SkRegion.h"
 
 typedef void (*line2path)(SkPath*, const char*, int, int);
 #define SQRT_2 1.41421356237f
 #define ON  0xFF000000 // black pixel
 #define OFF 0x00000000 // transparent pixel
 
 // assumes stride is in bytes
 /*
 static void FillRandomBits( int chars, char* bits ){
     SkTime time;
-    SkMWCRandom rand = SkMWCRandom( time.GetMSecs() );
+    SkRandom rand = SkRandom( time.GetMSecs() );
 
     for (int i = 0; i < chars; ++i){
         bits[i] = rand.nextU();
     }
 }OA
 */
 
 static int GetBit( const char* buffer, int x ) {
     int byte = x >> 3;
     int bit = x & 7;
@@ skipping 108 matching lines @@
 
         } else if ( GetBit(line,w-1) ) { // if last pixel on add rect
             // add the thing here
             region.op(SkIRect::MakeXYWH(w-1, y, 1, 1),
                       SkRegion::kUnion_Op );
         }
     }
     // convert region to path
     region.getBoundaryPath(path);
 }