cc : Push layer lists instead of layer tree at commit and activation

cc/test/layer_tree_host_common_test.cc

 // Copyright 2014 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/test/layer_tree_host_common_test.h"
 
 #include <stddef.h>
 
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 139 matching lines @@
       root_layer->layer_tree_impl()->OverscrollElasticityLayer();
   gfx::Vector2dF elastic_overscroll =
       root_layer->layer_tree_impl()->elastic_overscroll()->Current(
           root_layer->layer_tree_impl()->IsActiveTree());
   float page_scale_factor = 1.f;
   float device_scale_factor = 1.f;
   gfx::Size device_viewport_size =
       gfx::Size(root_layer->bounds().width() * device_scale_factor,
                 root_layer->bounds().height() * device_scale_factor);
   update_layer_list_impl_.reset(new LayerImplList);
+  root_layer->layer_tree_impl()->BuildLayerListForTesting();
   draw_property_utils::BuildPropertyTreesAndComputeVisibleRects(
       root_layer, page_scale_layer, inner_viewport_scroll_layer,
       outer_viewport_scroll_layer, overscroll_elasticity_layer,
       elastic_overscroll, page_scale_factor, device_scale_factor,
       gfx::Rect(device_viewport_size), identity_transform,
       can_render_to_separate_surface,
       root_layer->layer_tree_impl()->property_trees(),
       update_layer_list_impl_.get());
 }
 
@@ skipping 53 matching lines @@
 
 LayerTreeHostCommonTest::LayerTreeHostCommonTest()
     : LayerTreeHostCommonTestBase(LayerTreeSettings()) {}
 
 LayerTreeHostCommonTest::LayerTreeHostCommonTest(
     const LayerTreeSettings& settings)
     : LayerTreeHostCommonTestBase(settings) {
 }
 
 }  // namespace cc