Add DisplayItemListPictureRecorder

Source/core/layout/svg/LayoutSVGResourcePattern.cpp

Index: Source/core/layout/svg/LayoutSVGResourcePattern.cpp
diff --git a/Source/core/layout/svg/LayoutSVGResourcePattern.cpp b/Source/core/layout/svg/LayoutSVGResourcePattern.cpp
index 4dc3f7d11bd18ce7dd9346f764709ad7b70e91c2..0e2cbc515e6e07cca9ac175809e0f4e901911626 100644
--- a/Source/core/layout/svg/LayoutSVGResourcePattern.cpp
+++ b/Source/core/layout/svg/LayoutSVGResourcePattern.cpp
@@ -29,7 +29,7 @@
 #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/DisplayItemListPictureRecorder.h"
 #include "third_party/skia/include/core/SkPicture.h"
 
 namespace blink {
@@ -166,11 +166,8 @@ PassRefPtr<const SkPicture> LayoutSVGResourcePattern::asPicture(const FloatRect&
         contentTransform = tileTransform;
 
     // Draw the content into a Picture.
-    OwnPtr<DisplayItemList> displayItemList;
-    if (RuntimeEnabledFeatures::slimmingPaintEnabled())
-        displayItemList = DisplayItemList::create();
-    GraphicsContext recordingContext(nullptr, displayItemList.get());
-    recordingContext.beginRecording(FloatRect(FloatPoint(), tileBounds.size()));
+    DisplayItemListPictureRecorder pictureRecorder(FloatRect(FloatPoint(), tileBounds.size()));
+    GraphicsContext& recordingContext = pictureRecorder.context();
 
     ASSERT(attributes().patternContentElement());
     LayoutSVGResourceContainer* patternLayoutObject =
@@ -186,9 +183,7 @@ PassRefPtr<const SkPicture> LayoutSVGResourcePattern::asPicture(const FloatRect&
             SVGPaintContext::paintSubtree(&recordingContext, child);
     }
 
-    if (displayItemList)
-        displayItemList->replay(&recordingContext);
-    return recordingContext.endRecording();
+    return pictureRecorder.endRecording();
 }
 
 }