cc : Add layer_list to LayerTreeImpl and build it for tests

cc/trees/occlusion_tracker_perftest.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/trees/occlusion_tracker.h"
 
 #include <stddef.h>
 
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
@@ skipping 75 matching lines @@
   CreateHost();
   host_impl_->SetViewportSize(viewport_rect.size());
 
   std::unique_ptr<SolidColorLayerImpl> opaque_layer =
       SolidColorLayerImpl::Create(active_tree(), 2);
   opaque_layer->SetBackgroundColor(SK_ColorRED);
   opaque_layer->SetContentsOpaque(true);
   opaque_layer->SetDrawsContent(true);
   opaque_layer->SetBounds(viewport_rect.size());
   active_tree()->root_layer()->AddChild(std::move(opaque_layer));
-  active_tree()->BuildPropertyTreesForTesting();
+  active_tree()->BuildLayerListAndPropertyTreesForTesting();
 
   bool update_lcd_text = false;
   active_tree()->UpdateDrawProperties(update_lcd_text);
   const LayerImplList& rsll = active_tree()->RenderSurfaceLayerList();
   ASSERT_EQ(1u, rsll.size());
   EXPECT_EQ(1u, rsll[0]->render_surface()->layer_list().size());
 
   LayerIterator begin = LayerIterator::Begin(&rsll);
   LayerIterator end = LayerIterator::End(&rsll);
 
@@ skipping 51 matching lines @@
         SolidColorLayerImpl::Create(active_tree(), 2 + i);
     opaque_layer->SetBackgroundColor(SK_ColorRED);
     opaque_layer->SetContentsOpaque(true);
     opaque_layer->SetDrawsContent(true);
     opaque_layer->SetBounds(
         gfx::Size(viewport_rect.width() / 2, viewport_rect.height() / 2));
     opaque_layer->SetPosition(gfx::PointF(i, i));
     active_tree()->root_layer()->AddChild(std::move(opaque_layer));
   }
 
-  active_tree()->BuildPropertyTreesForTesting();
+  active_tree()->BuildLayerListAndPropertyTreesForTesting();
   bool update_lcd_text = false;
   active_tree()->UpdateDrawProperties(update_lcd_text);
   const LayerImplList& rsll = active_tree()->RenderSurfaceLayerList();
   ASSERT_EQ(1u, rsll.size());
   EXPECT_EQ(static_cast<size_t>(kNumOpaqueLayers),
             rsll[0]->render_surface()->layer_list().size());
 
   LayerIterator begin = LayerIterator::Begin(&rsll);
   LayerIterator end = LayerIterator::End(&rsll);
 
@@ skipping 30 matching lines @@
   EXPECT_EQ(active_tree()->root_layer(), next.current_layer);
 
   ++begin;
   EXPECT_EQ(end, begin);
 
   PrintResults();
 }
 
 }  // namespace
 }  // namespace cc