cc : Add layer_list to LayerTreeImpl and build it for tests

cc/trees/layer_tree_host_unittest_scroll.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/trees/layer_tree_host.h"
 
 #include "base/location.h"
 #include "base/memory/weak_ptr.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 1137 matching lines @@
 
   void DrawLayersOnThread(LayerTreeHostImpl* impl) override {
     LayerImpl* root = impl->active_tree()->root_layer();
     LayerImpl* scroll_layer = impl->OuterViewportScrollLayer();
     scroll_layer->SetScrollClipLayer(outer_viewport_container_layer_id_);
 
     // Set max_scroll_offset = (100, 100).
     scroll_layer->SetBounds(
         gfx::Size(root->bounds().width() + 100, root->bounds().height() + 100));
     impl->active_tree()->property_trees()->needs_rebuild = true;
-    impl->active_tree()->BuildPropertyTreesForTesting();
+    impl->active_tree()->BuildLayerListAndPropertyTreesForTesting();
 
     ScrollTree& scroll_tree =
         impl->active_tree()->property_trees()->scroll_tree;
     ScrollNode* scroll_node =
         scroll_tree.Node(scroll_layer->scroll_tree_index());
 
     InputHandler::ScrollStatus status =
         impl->TryScroll(gfx::PointF(0.0f, 1.0f), InputHandler::TOUCHSCREEN,
                         scroll_tree, scroll_node);
 
     EXPECT_EQ(InputHandler::SCROLL_ON_IMPL_THREAD, status.thread);
     EXPECT_EQ(MainThreadScrollingReason::kNotScrollingOnMain,
               status.main_thread_scrolling_reasons);
 
     // Set max_scroll_offset = (0, 0).
     scroll_layer->SetBounds(root->bounds());
     impl->active_tree()->property_trees()->needs_rebuild = true;
-    impl->active_tree()->BuildPropertyTreesForTesting();
+    impl->active_tree()->BuildLayerListAndPropertyTreesForTesting();
     scroll_tree = impl->active_tree()->property_trees()->scroll_tree;
     scroll_node = scroll_tree.Node(scroll_layer->scroll_tree_index());
     status = impl->TryScroll(gfx::PointF(0.0f, 1.0f), InputHandler::TOUCHSCREEN,
                              scroll_tree, scroll_node);
     EXPECT_EQ(InputHandler::SCROLL_IGNORED, status.thread);
     EXPECT_EQ(MainThreadScrollingReason::kNotScrollable,
               status.main_thread_scrolling_reasons);
 
     // Set max_scroll_offset = (-100, -100).
     scroll_layer->SetBounds(gfx::Size());
     impl->active_tree()->property_trees()->needs_rebuild = true;
-    impl->active_tree()->BuildPropertyTreesForTesting();
+    impl->active_tree()->BuildLayerListAndPropertyTreesForTesting();
     scroll_tree = impl->active_tree()->property_trees()->scroll_tree;
     scroll_node = scroll_tree.Node(scroll_layer->scroll_tree_index());
     status = impl->TryScroll(gfx::PointF(0.0f, 1.0f), InputHandler::TOUCHSCREEN,
                              scroll_tree, scroll_node);
     EXPECT_EQ(InputHandler::SCROLL_IGNORED, status.thread);
     EXPECT_EQ(MainThreadScrollingReason::kNotScrollable,
               status.main_thread_scrolling_reasons);
 
     EndTest();
   }
@@ skipping 309 matching lines @@
   RunTest(CompositorMode::THREADED, false);
 }
 
 TEST_F(LayerTreeHostScrollTestLayerStructureChange, ScrollDestroyWholeTree) {
   scroll_destroy_whole_tree_ = true;
   RunTest(CompositorMode::THREADED, false);
 }
 
 }  // namespace
 }  // namespace cc