Revert of Mus+Ash: propagate Surface ID to parents

services/ui/ws/test_utils.cc

Index: services/ui/ws/test_utils.cc
diff --git a/services/ui/ws/test_utils.cc b/services/ui/ws/test_utils.cc
index 5d934ac725aab976bbb50671824f27dd20c5e3b0..e842ca8c5c84bd57c529b3f0fb81bbdca28d5053 100644
--- a/services/ui/ws/test_utils.cc
+++ b/services/ui/ws/test_utils.cc
@@ -357,13 +357,6 @@
   tracker_.OnWindowPredefinedCursorChanged(window_id, cursor_id);
 }
 
-void TestWindowTreeClient::OnWindowSurfaceChanged(
-    Id window_id,
-    const cc::SurfaceId& surface_id,
-    const cc::SurfaceSequence& surface_sequence,
-    const gfx::Size& frame_size,
-    float device_scale_factor) {}
-
 void TestWindowTreeClient::OnDragDropStart(
     mojo::Map<mojo::String, mojo::Array<uint8_t>> mime_data) {}
 
@@ -492,7 +485,7 @@
     : wm_client_(nullptr),
       display_binding_(nullptr),
       display_(nullptr),
-      display_compositor_(new DisplayCompositor(nullptr)) {
+      display_compositor_(new DisplayCompositor()) {
   PlatformDisplayInitParams display_init_params;
   display_init_params.display_compositor = display_compositor_;
   display_ = new Display(window_server(), display_init_params);