Removed unused parameters

src/gpu/effects/GrConvolutionEffect.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrConvolutionEffect.h"
 #include "gl/GrGLEffect.h"
 #include "gl/GrGLEffectMatrix.h"
@@ skipping 161 matching lines @@
             this->radius() == s.radius() &&
             this->direction() == s.direction() &&
             0 == memcmp(fKernel, s.fKernel, this->width() * sizeof(float)));
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_EFFECT_TEST(GrConvolutionEffect);
 
 GrEffectRef* GrConvolutionEffect::TestCreate(SkMWCRandom* random,
-                                             GrContext* context,
+                                             GrContext*,
                                              GrTexture* textures[]) {
     int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx :
                                       GrEffectUnitTest::kAlphaTextureIdx;
     Direction dir = random->nextBool() ? kX_Direction : kY_Direction;
     int radius = random->nextRangeU(1, kMaxKernelRadius);
     float kernel[kMaxKernelRadius];
     for (int i = 0; i < kMaxKernelRadius; ++i) {
         kernel[i] = random->nextSScalar1();
     }
 
     return GrConvolutionEffect::Create(textures[texIdx], dir, radius,kernel);
 }