[SPv2] Flatten property trees in PaintRecordBuilder into a single display list.

third_party/WebKit/Source/core/svg/graphics/filters/SVGFEImage.cpp

Index: third_party/WebKit/Source/core/svg/graphics/filters/SVGFEImage.cpp
diff --git a/third_party/WebKit/Source/core/svg/graphics/filters/SVGFEImage.cpp b/third_party/WebKit/Source/core/svg/graphics/filters/SVGFEImage.cpp
index 7e085f10cc99fe267f3a7b92b8f64a8676e44d15..4b65712ce98b795dc8f5b78d86c3b765e9f7b462 100644
--- a/third_party/WebKit/Source/core/svg/graphics/filters/SVGFEImage.cpp
+++ b/third_party/WebKit/Source/core/svg/graphics/filters/SVGFEImage.cpp
@@ -178,15 +178,17 @@ sk_sp<SkImageFilter> FEImage::createImageFilterForLayoutObject(
     transform.translate(dstRect.x(), dstRect.y());
   }
 
-  PaintRecordBuilder builder(dstRect);
-  {
-    TransformRecorder transformRecorder(builder.context(), layoutObject,
-                                        transform);
-    SVGPaintContext::paintResourceSubtree(builder.context(), &layoutObject);
-  }
-
-  return SkPictureImageFilter::Make(ToSkPicture(builder.endRecording()),
-                                    dstRect);
+  // TODO(chrishtr): use tighter bounds for this.
+  FloatRect bounds(LayoutRect::infiniteIntRect());
+  PaintRecordBuilder builder(bounds);
+  SVGPaintContext::paintResourceSubtree(builder.context(), &layoutObject);
+
+  PaintRecorder paintRecorder;
+  PaintCanvas* canvas = paintRecorder.beginRecording(dstRect);
+  canvas->concat(affineTransformToSkMatrix(transform));
+  canvas->drawPicture(builder.endRecording());
+  return SkPictureImageFilter::Make(
+      ToSkPicture(paintRecorder.finishRecordingAsPicture()), dstRect);
 }
 
 sk_sp<SkImageFilter> FEImage::createImageFilter() {