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

src/effects/SkMorphologyImageFilter.cpp

 /*
  * Copyright 2012 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkMorphologyImageFilter.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
@@ skipping 434 matching lines @@
 
 namespace {
 
 void apply_morphology_pass(GrContext* context,
                            GrTexture* texture,
                            const SkIRect& rect,
                            int radius,
                            GrMorphologyEffect::MorphologyType morphType,
                            Gr1DKernelEffect::Direction direction) {
     GrPaint paint;
-    paint.colorStage(0)->setEffect(GrMorphologyEffect::Create(texture,
-                                                              direction,
-                                                              radius,
-                                                              morphType))->unref();
+    paint.addColorEffect(GrMorphologyEffect::Create(texture,
+                                                    direction,
+                                                    radius,
+                                                    morphType))->unref();
     context->drawRect(paint, SkRect::MakeFromIRect(rect));
 }
 
 GrTexture* apply_morphology(GrTexture* srcTexture,
                             const SkIRect& rect,
                             GrMorphologyEffect::MorphologyType morphType,
                             SkISize radius) {
     GrContext* context = srcTexture->getContext();
     srcTexture->ref();
 
@@ skipping 55 matching lines @@
     }
     GrTexture* input = inputBM.getTexture();
     SkIRect bounds;
     src.getBounds(&bounds);
     SkAutoTUnref<GrTexture> resultTex(apply_morphology(input, bounds,
         GrMorphologyEffect::kErode_MorphologyType, radius()));
     return SkImageFilterUtils::WrapTexture(resultTex, src.width(), src.height(), result);
 }
 
 #endif