guard rasterizer and drawlooper setters

bench/BlurRoundRectBench.cpp

 /*
 * Copyright 2013 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "Benchmark.h"
 #include "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
@@ skipping 49 matching lines @@
             paint->setColor(SK_ColorGRAY);
         }
         {
             SkLayerDrawLooper::LayerInfo info;
             looperBuilder.addLayerOnTop(info);
         }
         SkPaint dullPaint;
         dullPaint.setAntiAlias(true);
 
         SkPaint loopedPaint;
-        loopedPaint.setLooper(looperBuilder.detachLooper())->unref();
+        loopedPaint.setLooper(looperBuilder.detach());
         loopedPaint.setAntiAlias(true);
         loopedPaint.setColor(SK_ColorCYAN);
 
         for (int i = 0; i < loops; i++) {
             canvas->drawRect(fRRect.rect(), dullPaint);
             canvas->drawRRect(fRRect, loopedPaint);
         }
     }
 
 private:
     SkString    fName;
     SkRRect     fRRect;
 
     typedef     Benchmark INHERITED;
 };
 
 // Create one with dimensions/rounded corners based on the skp
 DEF_BENCH(return new BlurRoundRectBench(600, 5514, 6);)
 // Same radii, much smaller rectangle
 DEF_BENCH(return new BlurRoundRectBench(100, 100, 6);)
 // Other radii options
 DEF_BENCH(return new BlurRoundRectBench(100, 100, 30);)
 DEF_BENCH(return new BlurRoundRectBench(100, 100, 90);)