Revert of List all child surfaces (including occluded) in CompositorFrame

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index 8643dbc01a0f583b3a080633de9c2c26c701374b..43b8018b3e32e9515af7c8e92d15d4ec98fabad7 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -43,7 +43,6 @@
 #include "cc/layers/painted_scrollbar_layer_impl.h"
 #include "cc/layers/render_surface_impl.h"
 #include "cc/layers/scrollbar_layer_impl_base.h"
-#include "cc/layers/surface_layer_impl.h"
 #include "cc/layers/viewport.h"
 #include "cc/output/compositor_frame_metadata.h"
 #include "cc/output/copy_output_request.h"
@@ -1563,10 +1562,6 @@
         !OuterViewportScrollLayer()->user_scrollable_vertical();
   }
 
-  for (LayerImpl* surface_layer : active_tree_->SurfaceLayers()) {
-    metadata.referenced_surfaces.push_back(
-        static_cast<SurfaceLayerImpl*>(surface_layer)->surface_id());
-  }
   if (!InnerViewportScrollLayer())
     return metadata;