Make sure SkDrawLooper objects can only be allocated on the heap.

gm/rects.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 "gm.h"
 #include "SkBlurDrawLooper.h"
 #include "SkBlurMask.h"
@@ skipping 77 matching lines @@
             p.setShader(s)->unref();
             fPaints.push_back(p);
         }
 
         {
             // AA with blur
             SkPaint p;
             p.setColor(SK_ColorWHITE);
             p.setAntiAlias(true);
             SkBlurDrawLooper* shadowLooper =
-                new SkBlurDrawLooper (SK_ColorWHITE,
-                                      SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(10)),
-                                      SkIntToScalar(5), SkIntToScalar(10),
-                                      SkBlurDrawLooper::kIgnoreTransform_BlurFlag |
-                                      SkBlurDrawLooper::kOverrideColor_BlurFlag |
-                                      SkBlurDrawLooper::kHighQuality_BlurFlag);
+                SkBlurDrawLooper::Create(SK_ColorWHITE,
+                                         SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(10)),
+                                         SkIntToScalar(5), SkIntToScalar(10),
+                                         SkBlurDrawLooper::kIgnoreTransform_BlurFlag |
+                                         SkBlurDrawLooper::kOverrideColor_BlurFlag |
+                                         SkBlurDrawLooper::kHighQuality_BlurFlag);
             SkAutoUnref aurL0(shadowLooper);
             p.setLooper(shadowLooper);
             fPaints.push_back(p);
         }
 
         {
             // AA with stroke style
             SkPaint p;
             p.setColor(SK_ColorWHITE);
             p.setAntiAlias(true);
@@ skipping 178 matching lines @@
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new RectsGM; }
 static GMRegistry reg(MyFactory);
 
 }