use Make instead of Create to return a shared shader

src/utils/SkMeshUtils.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.
  */
 #include "SkMeshUtils.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
@@ skipping 74 matching lines @@
 
 #include "SkShader.h"
 
 void SkMeshUtils::Draw(SkCanvas* canvas, const SkBitmap& bitmap,
                        int rows, int cols, const SkPoint verts[],
                        const SkColor colors[], const SkPaint& paint) {
     SkMeshIndices idx;
 
     if (idx.init(bitmap.width(), bitmap.height(), rows, cols)) {
         SkPaint p(paint);
-        p.setShader(SkShader::CreateBitmapShader(bitmap,
+        p.setShader(SkShader::MakeBitmapShader(bitmap,
                                          SkShader::kClamp_TileMode,
-                                         SkShader::kClamp_TileMode))->unref();
+                                         SkShader::kClamp_TileMode));
         canvas->drawVertices(SkCanvas::kTriangles_VertexMode,
                              rows * cols, verts, idx.tex(), colors, nullptr,
                              idx.indices(), idx.indexCount(), p);
     }
 }