Update from chromium https://crrev.com/302282

cc/layers/picture_layer.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/layers/picture_layer.h"
 
 #include "base/auto_reset.h"
 #include "cc/layers/content_layer_client.h"
 #include "cc/layers/picture_layer_impl.h"
 #include "cc/trees/layer_tree_impl.h"
@@ skipping 33 matching lines @@
     // If update called, then pile size must match bounds pushed to impl layer.
     DCHECK_IMPLIES(
         update_source_frame_number_ == layer_tree_host()->source_frame_number(),
         layer_impl->bounds().ToString() == pile_.tiling_size().ToString());
   }
 
   // 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(&pile_invalidation_);
-  layer_impl->pile_ = PicturePileImpl::CreateFromOther(&pile_);
+  layer_impl->UpdatePile(PicturePileImpl::CreateFromOther(&pile_));
 }
 
 void PictureLayer::SetLayerTreeHost(LayerTreeHost* host) {
   Layer::SetLayerTreeHost(host);
   if (host) {
     pile_.SetMinContentsScale(host->settings().minimum_contents_scale);
     pile_.SetTileGridSize(host->settings().default_tile_grid_size);
     pile_.set_slow_down_raster_scale_factor(
         host->debug_state().slow_down_raster_scale_factor);
     pile_.set_show_debug_picture_borders(
@@ skipping 124 matching lines @@
 
 bool PictureLayer::HasDrawableContent() const {
   return client_ && Layer::HasDrawableContent();
 }
 
 void PictureLayer::RunMicroBenchmark(MicroBenchmark* benchmark) {
   benchmark->RunOnLayer(this);
 }
 
 }  // namespace cc