List all child surfaces (including occluded) in CompositorFrame

cc/surfaces/surface_factory_unittest.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 "base/bind.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/delegated_frame_data.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/surfaces/surface.h"
 #include "cc/surfaces/surface_factory.h"
@@ skipping 472 matching lines @@
   factory_->Create(id2);
 
   manager_.RegisterSurfaceIdNamespace(0);
 
   manager_.GetSurfaceForId(id2)
       ->AddDestructionDependency(SurfaceSequence(0, 4));
 
   // Give id2 a frame that references surface_id_.
   {
     scoped_ptr<RenderPass> render_pass(RenderPass::Create());
-    render_pass->referenced_surfaces.push_back(surface_id_);
     scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
     frame_data->render_pass_list.push_back(std::move(render_pass));
     scoped_ptr<CompositorFrame> frame(new CompositorFrame);
+    frame->metadata.referenced_surfaces.push_back(surface_id_);
     frame->delegated_frame_data = std::move(frame_data);
     factory_->SubmitCompositorFrame(id2, std::move(frame),
                                     SurfaceFactory::DrawCallback());
   }
   factory_->Destroy(id2);
 
   // Give surface_id_ a frame that references id2.
   {
     scoped_ptr<RenderPass> render_pass(RenderPass::Create());
-    render_pass->referenced_surfaces.push_back(id2);
     scoped_ptr<DelegatedFrameData> frame_data(new DelegatedFrameData);
     frame_data->render_pass_list.push_back(std::move(render_pass));
     scoped_ptr<CompositorFrame> frame(new CompositorFrame);
+    frame->metadata.referenced_surfaces.push_back(id2);
     frame->delegated_frame_data = std::move(frame_data);
     factory_->SubmitCompositorFrame(surface_id_, std::move(frame),
                                     SurfaceFactory::DrawCallback());
   }
   factory_->Destroy(surface_id_);
   EXPECT_TRUE(manager_.GetSurfaceForId(id2));
   // surface_id_ should be retained by reference from id2.
   EXPECT_TRUE(manager_.GetSurfaceForId(surface_id_));
 
   // Satisfy last destruction dependency for id2.
@@ skipping 35 matching lines @@
   surface_id_ = SurfaceId();
   factory_->DestroyAll();
 
   EXPECT_EQ(&bfs, client_.begin_frame_source());
   factory_.reset();
   EXPECT_EQ(nullptr, client_.begin_frame_source());
 }
 
 }  // namespace
 }  // namespace cc