Hide GrRRectEffect class from header

src/gpu/effects/GrRRectEffect.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrRRectEffect_DEFINED
 #define GrRRectEffect_DEFINED
 
-#include "GrEffect.h"
+#include "GrTypes.h"
 
-#include "SkRRect.h"
+class GrEffectRef;
+class SkRRect;
 
-class GrGLRRectEffect;
-
-/**
- * An effect that performs anti-aliasing for an SkRRect. It doesn't support all varieties of SkRRect
- * so the caller must check for a NULL return from the Create() method.
- */
-class GrRRectEffect : public GrEffect {
-public:
-    static GrEffectRef* Create(const SkRRect&);
-
-    virtual ~GrRRectEffect();
-    static const char* Name() { return "RRect"; }
-
-    const SkRRect& getRRect() const { return fRRect; }
-
-    typedef GrGLRRectEffect GLEffect;
-
-    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
-
-    virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;
-
-private:
-    GrRRectEffect(const SkRRect&);
-
-    virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE;
-
-    SkRRect fRRect;
-
-    GR_DECLARE_EFFECT_TEST;
-
-    typedef GrEffect INHERITED;
+namespace GrRRectEffect {
+    /**
+     * Creates an effect that performs anti-aliased clipping against a SkRRect. It doesn't support
+     * all varieties of SkRRect so the caller must check for a NULL return.
+     */
+    GrEffectRef* Create(const SkRRect&);
 };
 
-
 #endif