Removed unused parameters

src/gpu/effects/GrConvolutionEffect.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrConvolutionEffect_DEFINED
 #define GrConvolutionEffect_DEFINED
 
@@ skipping 34 matching lines @@
     virtual ~GrConvolutionEffect();
 
     const float* kernel() const { return fKernel; }
 
     static const char* Name() { return "Convolution"; }
 
     typedef GrGLConvolutionEffect GLEffect;
 
     virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE;
 
-    virtual void getConstantColorComponents(GrColor* color, uint32_t* validFlags) const {
+    virtual void getConstantColorComponents(GrColor*, uint32_t* validFlags) const {
         // If the texture was opaque we could know that the output color if we knew the sum of the
         // kernel values.
         *validFlags = 0;
     }
 
     enum {
         // This was decided based on the min allowed value for the max texture
         // samples per fragment program run in DX9SM2 (32). A sigma param of 4.0
         // on a blur filter gives a kernel width of 25 while a sigma of 5.0
         // would exceed a 32 wide kernel.
@@ skipping 17 matching lines @@
                         float gaussianSigma);
 
     virtual bool onIsEqual(const GrEffect&) const SK_OVERRIDE;
 
     GR_DECLARE_EFFECT_TEST;
 
     typedef Gr1DKernelEffect INHERITED;
 };
 
 #endif