Pass along |dirty_compositing_if_needed| recursively.

This was a mistake in commit 1fde0aa3.

Bug: 873883

Cq-Include-Trybots: luci.chromium.try:linux_layout_tests_slimming_paint_v2;master.tryserver.blink:linux_trusty_blink_rel
Change-Id: Ia48ad8ddc5d63225ccca1a2b8d6f26920de605a5
Reviewed-on: https://chromium-review.googlesource.com/1190923Reviewed-by: vmpstr <vmpstr@chromium.org>
Commit-Queue: Chris Harrelson <chrishtr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#586332}

third_party/blink/renderer/core/paint/paint_layer.cc

@@ -347,7 +347,7 @@ void PaintLayer::UpdateLayerPositionRecursive(
     SetNeedsCompositingInputsUpdate();
 
   for (PaintLayer* child = FirstChild(); child; child = child->NextSibling())
-    child->UpdateLayerPositionRecursive(behavior);
+    child->UpdateLayerPositionRecursive(behavior, dirty_compositing_if_needed);
 }
 
 bool PaintLayer::SticksToScroller() const {