Update from https://crrev.com/306655

cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc

Index: cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc b/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
index e7dd14916445dbd252a161cde57570af11e67da1..a5ccb8b65c3bfdad1b0595caf859cfbf8d3a847c 100644
--- a/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
+++ b/cc/trees/layer_tree_host_pixeltest_on_demand_raster.cc
@@ -80,6 +80,13 @@ class BlueYellowLayerClient : public ContentLayerClient {
         paint);
   }
 
+  scoped_refptr<DisplayItemList> PaintContentsToDisplayList(
+      const gfx::Rect& clip,
+      GraphicsContextStatus gc_status) override {
+    NOTIMPLEMENTED();
+    return DisplayItemList::Create();
+  }
+
  private:
   gfx::Rect layer_rect_;
 };