Make GrConvexPolyEffect support inverse fills and non-AA rects

src/gpu/effects/GrConvexPolyEffect.h

Index: src/gpu/effects/GrConvexPolyEffect.h
diff --git a/src/gpu/effects/GrConvexPolyEffect.h b/src/gpu/effects/GrConvexPolyEffect.h
index c712eb3af84002c4374def19c9e170820e9d62d9..ab9d313c16d8cecdb3e9708eac4e0924a7062a7f 100644
--- a/src/gpu/effects/GrConvexPolyEffect.h
+++ b/src/gpu/effects/GrConvexPolyEffect.h
@@ -21,13 +21,13 @@ class SkPath;
  */
 class GrConvexPolyEffect : public GrEffect {
 public:
-    /** This could be expanded to include a AA hairline mode. If so, unify with GrBezierEffect's
-        enum. */
     enum EdgeType {
         kFillNoAA_EdgeType,
         kFillAA_EdgeType,
+        kInverseFillNoAA_EdgeType,
+        kInverseFillAA_EdgeType,
 
-        kLastEdgeType = kFillAA_EdgeType,
+        kLastEdgeType = kInverseFillAA_EdgeType,
     };
 
     enum {
@@ -64,7 +64,7 @@ public:
     /**
      * Creates an effect that fills inside the rect with AA edges..
      */
-    static GrEffectRef* CreateForAAFillRect(const SkRect&);
+    static GrEffectRef* Create(EdgeType, const SkRect&);
 
     virtual ~GrConvexPolyEffect();