Make GrPaint have a variable sized array of color and coverage stages rather than a fixed size.

gm/texdata.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 // This test only works with the GPU backend.
 
@@ skipping 95 matching lines @@
                     vm.setRotate(90 * SK_Scalar1,
                                  S * SK_Scalar1,
                                  S * SK_Scalar1);
                 } else {
                     vm.reset();
                 }
                 ctx->setMatrix(vm);
                 SkMatrix tm;
                 tm = vm;
                 tm.postIDiv(2*S, 2*S);
-                paint.colorStage(0)->setEffect(GrSimpleTextureEffect::Create(texture, tm))->unref();
+                paint.addColorTextureEffect(texture, tm);
 
                 ctx->drawRect(paint, GrRect::MakeWH(2*S, 2*S));
 
                 // now update the lower right of the texture in first pass
                 // or upper right in second pass
                 offset = 0;
                 for (int y = 0; y < S; ++y) {
                     for (int x = 0; x < S; ++x) {
                         gTextureData[offset + y * stride + x] =
                             ((x + y) % 2) ? (i ? green : red) : blue;
@@ skipping 12 matching lines @@
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new TexDataGM; }
 static GMRegistry reg(MyFactory);
 
 }
 
 #endif