Removed unused parameters

src/gpu/effects/GrEllipseEdgeEffect.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrEllipseEdgeEffect_DEFINED
 #define GrEllipseEdgeEffect_DEFINED
 
@@ skipping 20 matching lines @@
 
     virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const SK_OVERRIDE;
 
     typedef GrGLEllipseEdgeEffect GLEffect;
 
     virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;
 
 private:
     GrEllipseEdgeEffect();
 
-    virtual bool onIsEqual(const GrEffect& other) const SK_OVERRIDE {
+    virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE {
         return true;
     }
 
     GR_DECLARE_EFFECT_TEST;
 
     typedef GrEffect INHERITED;
 };
 
 #endif