hide SkBlurMaskFilter and SkBlurQuality

SK_SUPPORT_LEGACY_BLURMASKFILTER

Bug: skia:
Change-Id: Ic3e27e08e6e3cd2ffc1cd13b044e197bebc96236
Reviewed-on: https://skia-review.googlesource.com/113940
Commit-Queue: Mike Reed <reed@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>
diff --git a/gm/blurrect.cpp b/gm/blurrect.cpp
index 54f3c21..a718cde 100644
--- a/gm/blurrect.cpp
+++ b/gm/blurrect.cpp
@@ -7,8 +7,8 @@
 
 #include "gm.h"
 #include "SkBlurMask.h"
-#include "SkBlurMaskFilter.h"
 #include "SkCanvas.h"
+#include "SkMaskFilter.h"
 #include "SkPath.h"
 
 #define STROKE_WIDTH    SkIntToScalar(10)
@@ -95,9 +95,8 @@
 protected:
     void onOnceBeforeDraw() override {
         for (int i = 0; i <= kLastEnum_SkBlurStyle; ++i) {
-            fMaskFilters[i] = SkBlurMaskFilter::Make((SkBlurStyle)i,
-                                  SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(STROKE_WIDTH/2)),
-                                  SkBlurMaskFilter::kHighQuality_BlurFlag);
+            fMaskFilters[i] = SkMaskFilter::MakeBlur((SkBlurStyle)i,
+                                  SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(STROKE_WIDTH/2)));
         }
     }