Use SkLayerDrawLooper::Builder to construct SkLayerDrawLooper.

Source/core/rendering/InlineTextBox.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 379 matching lines @@
     const RenderObject* renderer, const Font& font, const TextRun& textRun,
     const AtomicString& emphasisMark, int emphasisMarkOffset,
     int startOffset, int endOffset, int truncationPoint,
     const FloatPoint& textOrigin, const FloatRect& boxRect,
     const ShadowList* shadowList, bool stroked, bool horizontal)
 {
     // Text shadows are disabled when printing. http://crbug.com/258321
     bool hasShadow = shadowList && !context->printing();
 
     if (hasShadow) {
-        DrawLooper drawLooper;
+        DrawLooper::Builder drawLooperBuilder;
         for (size_t i = shadowList->shadows().size(); i--; ) {
             const ShadowData& shadow = shadowList->shadows()[i];
             float shadowX = horizontal ? shadow.x() : shadow.y();
             float shadowY = horizontal ? shadow.y() : -shadow.x();
             FloatSize offset(shadowX, shadowY);
-            drawLooper.addShadow(offset, shadow.blur(), shadow.color(),
+            drawLooperBuilder.addShadow(offset, shadow.blur(), shadow.color(),
                 DrawLooper::ShadowRespectsTransforms, DrawLooper::ShadowIgnoresAlpha);
         }
-        drawLooper.addUnmodifiedContent();
-        context->setDrawLooper(drawLooper);
+        drawLooperBuilder.addUnmodifiedContent();
+        context->setDrawLooper(*drawLooperBuilder.detachDrawLooper());
     }
 
     TextRunPaintInfo textRunPaintInfo(textRun);
     textRunPaintInfo.bounds = boxRect;
     if (startOffset <= endOffset) {
         textRunPaintInfo.from = startOffset;
         textRunPaintInfo.to = endOffset;
         if (emphasisMark.isEmpty())
             context->drawText(font, textRunPaintInfo, textOrigin);
         else
@@ skipping 1141 matching lines @@
     printedCharacters = fprintf(stderr, "\t%s %p", obj->renderName(), obj);
     const int rendererCharacterOffset = 24;
     for (; printedCharacters < rendererCharacterOffset; printedCharacters++)
         fputc(' ', stderr);
     fprintf(stderr, "(%d,%d) \"%s\"\n", start(), start() + len(), value.utf8().data());
 }
 
 #endif
 
 } // namespace WebCore