change all interfaces for SkRasterizer to const, in preparation for marking it

as immutable/re-entrant safe.
Review URL: https://codereview.appspot.com/6936064

git-svn-id: http://skia.googlecode.com/svn/trunk@6878 2bbb7eff-a529-9590-31e7-b0007b416f81

2 files changed, 3 insertions, 3 deletions

diff --git a/include/core/SkRasterizer.h b/include/core/SkRasterizer.h
index 5f71d3fd5c..3e662ab2c1 100644
--- a/include/core/SkRasterizer.h
+++ b/include/core/SkRasterizer.h
@@ -28,14 +28,14 @@ public:
     */
     bool rasterize(const SkPath& path, const SkMatrix& matrix,
                    const SkIRect* clipBounds, SkMaskFilter* filter,
-                   SkMask* mask, SkMask::CreateMode mode);
+                   SkMask* mask, SkMask::CreateMode mode) const;
 
 protected:
     SkRasterizer(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {}
 
     virtual bool onRasterize(const SkPath& path, const SkMatrix& matrix,
                              const SkIRect* clipBounds,
-                             SkMask* mask, SkMask::CreateMode mode);
+                             SkMask* mask, SkMask::CreateMode mode) const;
 
 private:
     typedef SkFlattenable INHERITED;
diff --git a/include/effects/SkLayerRasterizer.h b/include/effects/SkLayerRasterizer.h
index 7a1ef74ac2..65d1be0bc1 100644
--- a/include/effects/SkLayerRasterizer.h
+++ b/include/effects/SkLayerRasterizer.h
@@ -41,7 +41,7 @@ protected:
     // override from SkRasterizer
     virtual bool onRasterize(const SkPath& path, const SkMatrix& matrix,
                              const SkIRect* clipBounds,
-                             SkMask* mask, SkMask::CreateMode mode);
+                             SkMask* mask, SkMask::CreateMode mode) const;
 
 private:
     SkDeque fLayers;