Revert of Mus+Ash: propagate Surface ID to parents

services/ui/ws/window_server.cc

Index: services/ui/ws/window_server.cc
diff --git a/services/ui/ws/window_server.cc b/services/ui/ws/window_server.cc
index 0a2da287787e25d1f4ce9b3d5de2feaccc5e57be..ad3286e304cb863663784c32532c8a6f82abe32a 100644
--- a/services/ui/ws/window_server.cc
+++ b/services/ui/ws/window_server.cc
@@ -46,7 +46,7 @@
 
 WindowServer::WindowServer(WindowServerDelegate* delegate)
     : delegate_(delegate),
-      display_compositor_(new DisplayCompositor(this)),
+      display_compositor_(new DisplayCompositor()),
       next_client_id_(1),
       display_manager_(new DisplayManager(this, &user_id_tracker_)),
       current_operation_(nullptr),
@@ -799,28 +799,6 @@
     display->platform_display()->OnGpuChannelEstablished(gpu_channel_);
 }
 
-void WindowServer::OnSurfaceCreated(const cc::SurfaceId& surface_id,
-                                    const gfx::Size& frame_size,
-                                    float device_scale_factor) {
-  WindowId window_id(
-      WindowIdFromTransportId(surface_id.frame_sink_id().client_id()));
-  mojom::SurfaceType surface_type(
-      static_cast<mojom::SurfaceType>(surface_id.frame_sink_id().sink_id()));
-  // We only care about propagating default surface IDs.
-  // TODO(fsamuel, sadrul): we should get rid of surface types.
-  if (surface_type != mojom::SurfaceType::DEFAULT)
-    return;
-  ServerWindow* window = GetWindow(window_id);
-  // If the window doesn't have a parent then we have nothing to propagate.
-  if (!window || !window->parent())
-    return;
-  WindowTree* window_tree = GetTreeWithId(window->parent()->id().client_id);
-  if (window_tree) {
-    window_tree->ProcessWindowSurfaceChanged(window, surface_id, frame_size,
-                                             device_scale_factor);
-  }
-}
-
 void WindowServer::OnActiveUserIdChanged(const UserId& previously_active_id,
                                          const UserId& active_id) {
   if (IsUserInHighContrastMode(previously_active_id) ==