Fix for potential typedef issue

include/utils/SkUnitMappers.h

Index: include/utils/SkUnitMappers.h
diff --git a/include/utils/SkUnitMappers.h b/include/utils/SkUnitMappers.h
index 64aab5ddee7728dcf040d298b158798f07ceb779..63c7d5f9bcad4edb5f4b862122888a9578c1af56 100644
--- a/include/utils/SkUnitMappers.h
+++ b/include/utils/SkUnitMappers.h
@@ -15,6 +15,8 @@
 /** This discretizes the range [0...1) into N discret values.
 */
 class SkDiscreteMapper : public SkUnitMapper {
+    typedef SkUnitMapper INHERITED;
+
 public:
     SkDiscreteMapper(int segments);
     // override from SkUnitMapper
@@ -29,14 +31,14 @@ protected:
 private:
     int     fSegments;
     SkFract fScale;    // computed from fSegments
-
-    typedef SkUnitMapper INHERITED;
 };
 
 /** This returns cos(x), to simulate lighting a sphere, where 0 maps to the
     center of the sphere, and 1 maps to the edge.
 */
 class SkCosineMapper : public SkUnitMapper {
+    typedef SkUnitMapper INHERITED;
+
 public:
     SkCosineMapper() {}
     // override from SkUnitMapper
@@ -46,10 +48,6 @@ public:
 
 protected:
     SkCosineMapper(SkFlattenableReadBuffer&);
-
-private:
-
-    typedef SkUnitMapper INHERITED;
 };
 
 #endif