cc: Don't swap PictureLayerTilingSet on activate.

cc/layers/picture_layer.cc

Index: cc/layers/picture_layer.cc
diff --git a/cc/layers/picture_layer.cc b/cc/layers/picture_layer.cc
index 55241d0a16f4c43125e3cdb09c95a104f23b6f2f..11244c3452ae2557e7aeff97c4184d3da8452bf1 100644
--- a/cc/layers/picture_layer.cc
+++ b/cc/layers/picture_layer.cc
@@ -63,17 +63,14 @@ void PictureLayer::PushPropertiesTo(LayerImpl* base_layer) {
     recording_source_->SetEmptyBounds();
   }
 
-  // Unlike other properties, invalidation must always be set on layer_impl.
-  // See PictureLayerImpl::PushPropertiesTo for more details.
-  layer_impl->invalidation_.Clear();
-  layer_impl->invalidation_.Swap(&recording_invalidation_);
-  layer_impl->set_is_mask(is_mask_);
   scoped_refptr<RasterSource> raster_source =
       recording_source_->CreateRasterSource();
   raster_source->SetBackgoundColor(SafeOpaqueBackgroundColor());
   raster_source->SetRequiresClear(!contents_opaque() &&
                                   !client_->FillsBoundsCompletely());
-  layer_impl->UpdateRasterSource(raster_source);
+  layer_impl->UpdateRasterSource(raster_source, &recording_invalidation_,
+                                 is_mask_, nullptr);
+  DCHECK(recording_invalidation_.IsEmpty());
 }
 
 void PictureLayer::SetLayerTreeHost(LayerTreeHost* host) {