Removed unused parameters

src/gpu/effects/GrSimpleTextureEffect.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 "GrSimpleTextureEffect.h"
 #include "gl/GrGLEffect.h"
 #include "gl/GrGLEffectMatrix.h"
@@ skipping 50 matching lines @@
 
 const GrBackendEffectFactory& GrSimpleTextureEffect::getFactory() const {
     return GrTBackendEffectFactory<GrSimpleTextureEffect>::getInstance();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 GR_DEFINE_EFFECT_TEST(GrSimpleTextureEffect);
 
 GrEffectRef* GrSimpleTextureEffect::TestCreate(SkMWCRandom* random,
-                                               GrContext* context,
+                                               GrContext*,
                                                GrTexture* textures[]) {
     int texIdx = random->nextBool() ? GrEffectUnitTest::kSkiaPMTextureIdx :
                                       GrEffectUnitTest::kAlphaTextureIdx;
     const SkMatrix& matrix = GrEffectUnitTest::TestMatrix(random);
     return GrSimpleTextureEffect::Create(textures[texIdx], matrix);
 }