List all child surfaces (including occluded) in CompositorFrame

cc/surfaces/surface_factory_unittest.cc

Index: cc/surfaces/surface_factory_unittest.cc
diff --git a/cc/surfaces/surface_factory_unittest.cc b/cc/surfaces/surface_factory_unittest.cc
index 9e7bc153d36af0fe09b3d7faec642894c373b775..c80ce60436a93f57054896486ca02e94bf6f5190 100644
--- a/cc/surfaces/surface_factory_unittest.cc
+++ b/cc/surfaces/surface_factory_unittest.cc
@@ -490,10 +490,10 @@ TEST_F(SurfaceFactoryTest, DestroyCycle) {
   // 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(render_pass.Pass());
     scoped_ptr<CompositorFrame> frame(new CompositorFrame);
+    frame->metadata.referenced_surfaces.push_back(surface_id_);
     frame->delegated_frame_data = frame_data.Pass();
     factory_->SubmitCompositorFrame(id2, frame.Pass(),
                                     SurfaceFactory::DrawCallback());
@@ -503,10 +503,10 @@ TEST_F(SurfaceFactoryTest, DestroyCycle) {
   // 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(render_pass.Pass());
     scoped_ptr<CompositorFrame> frame(new CompositorFrame);
+    frame->metadata.referenced_surfaces.push_back(id2);
     frame->delegated_frame_data = frame_data.Pass();
     factory_->SubmitCompositorFrame(surface_id_, frame.Pass(),
                                     SurfaceFactory::DrawCallback());