Update scroll layers' bounds_delta earlier during tree activation.

cc/trees/layer_tree_host_impl.cc

 // Copyright 2011 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/trees/layer_tree_host_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 1993 matching lines @@
     // commit.
     ActivateAnimations();
 
     // Compositor worker operates on the active tree so we have to run again
     // after activation.
     Mutate(CurrentBeginFrameArgs().frame_time);
   } else {
     active_tree_->ProcessUIResourceRequestQueue();
   }
 
-  // bounds_delta isn't a pushed property, so the newly-pushed property tree
-  // won't already account for current bounds_delta values. This needs to
-  // happen before calling UpdateViewportContainerSizes().
-  active_tree_->UpdatePropertyTreesForBoundsDelta();
   UpdateViewportContainerSizes();
 
   active_tree_->DidBecomeActive();
   client_->RenewTreePriority();
   // If we have any picture layers, then by activating we also modified tile
   // priorities.
   if (!active_tree_->picture_layers().empty())
     DidModifyTilePriorities();
 
   client_->OnCanDrawStateChanged(CanDraw());
@@ skipping 1994 matching lines @@
   return task_runner_provider_->HasImplThread();
 }
 
 bool LayerTreeHostImpl::CommitToActiveTree() const {
   // In single threaded mode we skip the pending tree and commit directly to the
   // active tree.
   return !task_runner_provider_->HasImplThread();
 }
 
 }  // namespace cc