switch patheffects over to sk_sp

src/gpu/text/GrTextUtils.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTextUtils.h"
 
 #include "GrAtlasTextBlob.h"
@@ skipping 499 matching lines @@
     SkPaint::GlyphCacheProc    glyphCacheProc = paint.getGlyphCacheProc(true);
     SkAutoGlyphCache           autoCache(paint, &props, nullptr);
     SkGlyphCache*              cache = autoCache.getCache();
 
     const char*        stop = text + byteLength;
     SkTextAlignProc    alignProc(paint.getTextAlign());
     SkTextMapStateProc tmsProc(SkMatrix::I(), offset, scalarsPerPosition);
 
     // Now restore the original settings, so we "draw" with whatever style/stroking.
     paint.setStyle(origPaint.getStyle());
-    paint.setPathEffect(origPaint.getPathEffect());
+    paint.setPathEffect(sk_ref_sp(origPaint.getPathEffect()));
 
     while (text < stop) {
         const SkGlyph& glyph = glyphCacheProc(cache, &text);
         if (glyph.fWidth) {
             const SkPath* path = cache->findPath(glyph);
             if (path) {
                 SkPoint tmsLoc;
                 tmsProc(pos, &tmsLoc);
                 SkPoint loc;
                 alignProc(tmsLoc, glyph, &loc);
@@ skipping 44 matching lines @@
     if (cache->getAuxProcData(glyph_cache_aux_proc, &auxData)) {
         scaler = (GrFontScaler*)auxData;
     }
     if (nullptr == scaler) {
         scaler = new GrFontScaler(cache);
         cache->setAuxProc(glyph_cache_aux_proc, scaler);
     }
 
     return scaler;
 }