create GrTestUtils.h, move some common functions into it

src/effects/gradients/SkTwoPointRadialGradient.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 "SkTwoPointRadialGradient.h"
 
@@ skipping 524 matching lines @@
     SkShader::TileMode tm;
     int colorCount = RandomGradientParams(random, colors, &stops, &tm);
     SkAutoTUnref<SkShader> shader(SkGradientShader::CreateTwoPointRadial(center1, radius1,
                                                                          center2, radius2,
                                                                          colors, stops, colorCount,
                                                                          tm));
     SkPaint paint;
     GrFragmentProcessor* fp;
     GrColor paintColor;
     SkAssertResult(shader->asFragmentProcessor(context, paint,
-                                               GrProcessorUnitTest::TestMatrix(random), NULL,
+                                               GrTest::TestMatrix(random), NULL,
                                                &paintColor, &fp));
     return fp;
 }
 
 /////////////////////////////////////////////////////////////////////
 
 GrGLRadial2Gradient::GrGLRadial2Gradient(const GrProcessor& processor)
     : fVSVaryingName(NULL)
     , fFSVaryingName(NULL)
     , fCachedCenter(SK_ScalarMax)
@@ skipping 159 matching lines @@
 #else
 
 bool SkTwoPointRadialGradient::asFragmentProcessor(GrContext*, const SkPaint&, const SkMatrix&,
                                                    const SkMatrix*,
                                                    GrColor*, GrFragmentProcessor**)  const {
     SkDEBUGFAIL("Should not call in GPU-less build");
     return false;
 }
 
 #endif