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

src/effects/SkBlurMaskFilter.cpp

 
 /*
  * Copyright 2006 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 "SkBlurMaskFilter.h"
 #include "SkBlurMask.h"
@@ skipping 405 matching lines @@
         return false;
     }
 
     if (!isNormalBlur) {
         context->setIdentityMatrix();
         GrPaint paint;
         SkMatrix matrix;
         matrix.setIDiv(src->width(), src->height());
         // Blend pathTexture over blurTexture.
         GrContext::AutoRenderTarget art(context, (*result)->asRenderTarget());
-        paint.colorStage(0)->setEffect(
-            GrSimpleTextureEffect::Create(src, matrix))->unref();
+        paint.addColorEffect(GrSimpleTextureEffect::Create(src, matrix))->unref();
         if (SkBlurMaskFilter::kInner_BlurStyle == fBlurStyle) {
             // inner:  dst = dst * src
             paint.setBlendFunc(kDC_GrBlendCoeff, kZero_GrBlendCoeff);
         } else if (SkBlurMaskFilter::kSolid_BlurStyle == fBlurStyle) {
             // solid:  dst = src + dst - src * dst
             //             = (1 - dst) * src + 1 * dst
             paint.setBlendFunc(kIDC_GrBlendCoeff, kOne_GrBlendCoeff);
         } else if (SkBlurMaskFilter::kOuter_BlurStyle == fBlurStyle) {
             // outer:  dst = dst * (1 - src)
             //             = 0 * src + (1 - src) * dst
@@ skipping 33 matching lines @@
     } else {
         str->append("None");
     }
     str->append("))");
 }
 #endif
 
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_START(SkBlurMaskFilter)
     SK_DEFINE_FLATTENABLE_REGISTRAR_ENTRY(SkBlurMaskFilterImpl)
 SK_DEFINE_FLATTENABLE_REGISTRAR_GROUP_END