Push sigma-based blur interface into our GMs/benches/tests/samplecode

gm/rects.cpp

Index: gm/rects.cpp
===================================================================
--- gm/rects.cpp	(revision 11108)
+++ gm/rects.cpp	(working copy)
@@ -6,11 +6,12 @@
  */
 
 #include "gm.h"
-#include "SkTArray.h"
-#include "SkMatrix.h"
+#include "SkBlurDrawLooper.h"
+#include "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
 #include "SkGradientShader.h"
-#include "SkBlurDrawLooper.h"
+#include "SkMatrix.h"
+#include "SkTArray.h"
 
 namespace skiagm {
 
@@ -53,8 +54,9 @@
             SkPaint p;
             p.setColor(SK_ColorWHITE);
             p.setAntiAlias(true);
-            SkMaskFilter* mf = SkBlurMaskFilter::Create(SkIntToScalar(5),
+            SkMaskFilter* mf = SkBlurMaskFilter::Create(
                                    SkBlurMaskFilter::kNormal_BlurStyle,
+                                   SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(5)),
                                    SkBlurMaskFilter::kHighQuality_BlurFlag);
             p.setMaskFilter(mf)->unref();
             fPaints.push_back(p);
@@ -84,8 +86,9 @@
             p.setColor(SK_ColorWHITE);
             p.setAntiAlias(true);
             SkBlurDrawLooper* shadowLooper =
-                new SkBlurDrawLooper (SkIntToScalar(10), SkIntToScalar(5),
-                                      SkIntToScalar(10), SK_ColorWHITE,
+                new SkBlurDrawLooper (SK_ColorWHITE, 
+                                      SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(10)), 
+                                      SkIntToScalar(5), SkIntToScalar(10),
                                       SkBlurDrawLooper::kIgnoreTransform_BlurFlag |
                                       SkBlurDrawLooper::kOverrideColor_BlurFlag |
                                       SkBlurDrawLooper::kHighQuality_BlurFlag);