cc: Remove support for disabling non-root render surfaces.

cc/output/bsp_tree_perftest.cc

 // Copyright 2016 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 <stddef.h>
 
 #include <deque>
 #include <memory>
 #include <sstream>
 
@@ skipping 53 matching lines @@
     base::FilePath json_file = test_data_dir.AppendASCII(name + ".json");
     ASSERT_TRUE(base::ReadFileToString(json_file, &json_));
   }
 
   void BeginTest() override { PostSetNeedsCommitToMainThread(); }
 
   void DrawLayersOnThread(LayerTreeHostImpl* host_impl) override {
     LayerTreeImpl* active_tree = host_impl->active_tree();
     // First build the tree and then we'll start running tests on layersorter
     // itself
-    bool can_render_to_separate_surface = true;
     int max_texture_size = 8096;
-    DoCalcDrawPropertiesImpl(can_render_to_separate_surface, max_texture_size,
-                             active_tree, host_impl);
+    DoCalcDrawPropertiesImpl(max_texture_size, active_tree, host_impl);
 
     LayerImplList base_list;
     BuildLayerImplList(active_tree->root_layer_for_testing(), &base_list);
 
     int polygon_counter = 0;
     std::vector<std::unique_ptr<DrawPolygon>> polygon_list;
     for (LayerImplList::iterator it = base_list.begin(); it != base_list.end();
          ++it) {
       DrawPolygon* draw_polygon = new DrawPolygon(
           NULL, gfx::RectF(gfx::SizeF((*it)->bounds())),
           (*it)->draw_properties().target_space_transform, polygon_counter++);
       polygon_list.push_back(std::unique_ptr<DrawPolygon>(draw_polygon));
     }
 
     timer_.Reset();
     do {
       std::deque<std::unique_ptr<DrawPolygon>> test_list;
       for (int i = 0; i < num_duplicates_; i++) {
         for (size_t i = 0; i < polygon_list.size(); i++) {
           test_list.push_back(polygon_list[i]->CreateCopy());
         }
       }
       BspTree bsp_tree(&test_list);
       timer_.NextLap();
     } while (!timer_.HasTimeLimitExpired());
 
     EndTest();
   }
 
-  void DoCalcDrawPropertiesImpl(bool can_render_to_separate_surface,
-                                int max_texture_size,
+  void DoCalcDrawPropertiesImpl(int max_texture_size,
                                 LayerTreeImpl* active_tree,
                                 LayerTreeHostImpl* host_impl) {
     RenderSurfaceList update_list;
     LayerTreeHostCommon::CalcDrawPropsImplInputs inputs(
         active_tree->root_layer_for_testing(), active_tree->DrawViewportSize(),
         host_impl->DrawTransform(), active_tree->device_scale_factor(),
         active_tree->current_page_scale_factor(),
         active_tree->InnerViewportContainerLayer(),
         active_tree->InnerViewportScrollLayer(),
         active_tree->OuterViewportScrollLayer(),
         active_tree->elastic_overscroll()->Current(active_tree->IsActiveTree()),
         active_tree->OverscrollElasticityLayer(), max_texture_size,
-        can_render_to_separate_surface,
         host_impl->settings().layer_transforms_should_scale_layer_contents,
         &update_list, active_tree->property_trees());
     LayerTreeHostCommon::CalculateDrawProperties(&inputs);
   }
 
   void BuildLayerImplList(LayerImpl* layer, LayerImplList* list) {
     for (auto* layer_impl : *layer->layer_tree_impl()) {
       if (layer_impl->Is3dSorted() && !layer_impl->bounds().IsEmpty()) {
         list->push_back(layer_impl);
       }
@@ skipping 50 matching lines @@
 
 TEST_F(BspTreePerfTest, BspTreeCubes_4) {
   SetTestName("bsp_tree_cubes_4");
   SetNumberOfDuplicates(4);
   ReadTestFile("layer_sort_cubes");
   RunTest(CompositorMode::SINGLE_THREADED);
 }
 
 }  // namespace
 }  // namespace cc