move common blur types into central header

gm/circles.cpp

 
 /*
  * Copyright 2012 Intel 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 34 matching lines @@
         SkPaint p;
         p.setAntiAlias(true);
         fPaints.push_back(p);
         }
 
         {
         // AA with mask filter
         SkPaint p;
         p.setAntiAlias(true);
         SkMaskFilter* mf = SkBlurMaskFilter::Create(
-                               SkBlurMaskFilter::kNormal_BlurStyle,
+                               kNormal_SkBlurStyle,
                                SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)),
                                SkBlurMaskFilter::kHighQuality_BlurFlag);
         p.setMaskFilter(mf)->unref();
         fPaints.push_back(p);
         }
 
         {
         // AA with radial shader
         SkPaint p;
         p.setAntiAlias(true);
@@ skipping 132 matching lines @@
     SkTArray<SkPaint> fPaints;
     SkTArray<SkMatrix> fMatrices;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new CircleGM; }
 static GMRegistry reg(MyFactory);
 
 }