Add PictureRecorder for sp/non-sp recording without an existing context

Source/core/layout/svg/LayoutSVGResourcePattern.cpp

 /*
  * Copyright (C) 2006 Nikolas Zimmermann <zimmermann@kde.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  * Copyright 2014 The Chromium Authors. 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 12 matching lines @@
 #include "core/layout/svg/LayoutSVGResourcePattern.h"
 
 #include "core/dom/ElementTraversal.h"
 #include "core/layout/svg/SVGLayoutSupport.h"
 #include "core/paint/SVGPaintContext.h"
 #include "core/paint/TransformRecorder.h"
 #include "core/svg/SVGFitToViewBox.h"
 #include "core/svg/SVGPatternElement.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/paint/DisplayItemList.h"
+#include "platform/graphics/paint/SkPictureBuilder.h"
 #include "third_party/skia/include/core/SkPicture.h"
 
 namespace blink {
 
 struct PatternData {
     WTF_MAKE_FAST_ALLOCATED(PatternData);
 public:
     RefPtr<Pattern> pattern;
     AffineTransform transform;
 };
@@ skipping 115 matching lines @@
 
 PassRefPtr<const SkPicture> LayoutSVGResourcePattern::asPicture(const FloatRect& tileBounds,
     const AffineTransform& tileTransform) const
 {
     ASSERT(!m_shouldCollectPatternAttributes);
 
     AffineTransform contentTransform;
     if (attributes().patternContentUnits() == SVGUnitTypes::SVG_UNIT_TYPE_OBJECTBOUNDINGBOX)
         contentTransform = tileTransform;
 
-    // Draw the content into a Picture.
-    OwnPtr<DisplayItemList> displayItemList;
-    if (RuntimeEnabledFeatures::slimmingPaintEnabled())
-        displayItemList = DisplayItemList::create();
-    GraphicsContext recordingContext(displayItemList.get());
-    recordingContext.beginRecording(FloatRect(FloatPoint(), tileBounds.size()));
+    FloatRect bounds(FloatPoint(), tileBounds.size());
+    SkPictureBuilder pictureBuilder(bounds);
 
     ASSERT(attributes().patternContentElement());
     LayoutSVGResourceContainer* patternLayoutObject =
         toLayoutSVGResourceContainer(attributes().patternContentElement()->layoutObject());
     ASSERT(patternLayoutObject);
     ASSERT(!patternLayoutObject->needsLayout());
 
     SubtreeContentTransformScope contentTransformScope(contentTransform);
 
     {
-        TransformRecorder transformRecorder(recordingContext, *patternLayoutObject, tileTransform);
+        TransformRecorder transformRecorder(pictureBuilder.context(), *patternLayoutObject, tileTransform);
         for (LayoutObject* child = patternLayoutObject->firstChild(); child; child = child->nextSibling())
-            SVGPaintContext::paintSubtree(&recordingContext, child);
+            SVGPaintContext::paintSubtree(&pictureBuilder.context(), child);
     }
 
-    if (displayItemList)
-        displayItemList->commitNewDisplayItemsAndReplay(recordingContext);
-    return recordingContext.endRecording();
+    return pictureBuilder.endRecording();
 }
 
 }