cc: Push valid property values when CalcDrawProps skips layer.

cc/layers/contents_scaling_layer.cc

Index: cc/layers/contents_scaling_layer.cc
diff --git a/cc/layers/contents_scaling_layer.cc b/cc/layers/contents_scaling_layer.cc
index 03a790b67dd07fa44c75d2ca3ec0b895ffdcc311..44a3f372c6593ae0f5c70a1e544e1d5c42e5c178 100644
--- a/cc/layers/contents_scaling_layer.cc
+++ b/cc/layers/contents_scaling_layer.cc
@@ -38,15 +38,17 @@ void ContentsScalingLayer::CalculateContentsScale(
 bool ContentsScalingLayer::Update(
     ResourceUpdateQueue* queue,
     const OcclusionTracker* occlusion) {
+  bool updated = Layer::Update(queue, occlusion);
+
   if (draw_properties().contents_scale_x == last_update_contents_scale_x_ &&
       draw_properties().contents_scale_y == last_update_contents_scale_y_)
-    return false;
+    return updated;
 
   last_update_contents_scale_x_ = draw_properties().contents_scale_x;
   last_update_contents_scale_y_ = draw_properties().contents_scale_y;
   // Invalidate the whole layer if scale changed.
   SetNeedsDisplayRect(gfx::Rect(paint_properties().bounds));
-  return false;
+  return updated;
 }
 
 }  // namespace cc