Enqueuing new frames in a Surface should cause Displays to reaggregate it

cc/surfaces/surfaces_pixeltest.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/output/compositor_frame.h"
 #include "cc/quads/render_pass.h"
 #include "cc/quads/solid_color_draw_quad.h"
 #include "cc/quads/surface_draw_quad.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_aggregator.h"
@@ skipping 72 matching lines @@
   delegated_frame_data->render_pass_list.push_back(pass.Pass());
 
   scoped_ptr<CompositorFrame> root_frame(new CompositorFrame);
   root_frame->delegated_frame_data = delegated_frame_data.Pass();
 
   SurfaceId root_surface_id = allocator_.GenerateId();
   factory_.Create(root_surface_id, device_viewport_size_);
   factory_.SubmitFrame(root_surface_id, root_frame.Pass());
 
   SurfaceAggregator aggregator(&manager_, resource_provider_.get());
+  std::set<SurfaceId> surface_set;
   scoped_ptr<CompositorFrame> aggregated_frame =
-      aggregator.Aggregate(root_surface_id);
+      aggregator.Aggregate(root_surface_id, &surface_set);
   factory_.Destroy(root_surface_id);
 
   bool discard_alpha = false;
   ExactPixelComparator pixel_comparator(discard_alpha);
   RenderPassList* pass_list =
       &aggregated_frame->delegated_frame_data->render_pass_list;
   EXPECT_TRUE(RunPixelTest(pass_list,
                            base::FilePath(FILE_PATH_LITERAL("green.png")),
                            pixel_comparator));
 }
@@ skipping 60 matching lines @@
     scoped_ptr<DelegatedFrameData> delegated_frame_data(new DelegatedFrameData);
     delegated_frame_data->render_pass_list.push_back(pass.Pass());
 
     scoped_ptr<CompositorFrame> child_frame(new CompositorFrame);
     child_frame->delegated_frame_data = delegated_frame_data.Pass();
 
     factory_.SubmitFrame(child_surface_id, child_frame.Pass());
   }
 
   SurfaceAggregator aggregator(&manager_, resource_provider_.get());
+  std::set<SurfaceId> surface_set;
   scoped_ptr<CompositorFrame> aggregated_frame =
-      aggregator.Aggregate(root_surface_id);
+      aggregator.Aggregate(root_surface_id, &surface_set);
 
   bool discard_alpha = false;
   ExactPixelComparator pixel_comparator(discard_alpha);
   RenderPassList* pass_list =
       &aggregated_frame->delegated_frame_data->render_pass_list;
   EXPECT_TRUE(RunPixelTest(pass_list,
                            base::FilePath(FILE_PATH_LITERAL("blue_yellow.png")),
                            pixel_comparator));
   factory_.Destroy(root_surface_id);
   factory_.Destroy(child_surface_id);
@@ skipping 118 matching lines @@
     scoped_ptr<DelegatedFrameData> delegated_frame_data(new DelegatedFrameData);
     delegated_frame_data->render_pass_list.push_back(pass.Pass());
 
     scoped_ptr<CompositorFrame> child_frame(new CompositorFrame);
     child_frame->delegated_frame_data = delegated_frame_data.Pass();
 
     factory_.SubmitFrame(right_child_id, child_frame.Pass());
   }
 
   SurfaceAggregator aggregator(&manager_, resource_provider_.get());
+  std::set<SurfaceId> surface_set;
   scoped_ptr<CompositorFrame> aggregated_frame =
-      aggregator.Aggregate(root_surface_id);
+      aggregator.Aggregate(root_surface_id, &surface_set);
 
   bool discard_alpha = false;
   ExactPixelComparator pixel_comparator(discard_alpha);
   RenderPassList* pass_list =
       &aggregated_frame->delegated_frame_data->render_pass_list;
   EXPECT_TRUE(RunPixelTest(
       pass_list,
       base::FilePath(FILE_PATH_LITERAL("four_blue_green_checkers.png")),
       pixel_comparator));
 
   factory_.Destroy(root_surface_id);
   factory_.Destroy(left_child_id);
   factory_.Destroy(right_child_id);
 }
 
 }  // namespace
 }  // namespace cc
 
 #endif  // !defined(OS_ANDROID)