Revert of Mus+Ash: propagate Surface ID to parents

services/ui/surfaces/display_compositor.cc

Index: services/ui/surfaces/display_compositor.cc
diff --git a/services/ui/surfaces/display_compositor.cc b/services/ui/surfaces/display_compositor.cc
index 5847814353dbaa96ce04fef3c85c3374f584409b..1bc067e798a7e860bbf75d53d8680194eef85798 100644
--- a/services/ui/surfaces/display_compositor.cc
+++ b/services/ui/surfaces/display_compositor.cc
@@ -4,38 +4,14 @@
 
 #include "services/ui/surfaces/display_compositor.h"
 
-#include "services/ui/surfaces/display_compositor_client.h"
-
 namespace ui {
 
-DisplayCompositor::DisplayCompositor(DisplayCompositorClient* client)
-    : client_(client), next_client_id_(1u) {
-  manager_.AddObserver(this);
-}
+DisplayCompositor::DisplayCompositor() : next_client_id_(1u) {}
+
+DisplayCompositor::~DisplayCompositor() {}
 
 uint32_t DisplayCompositor::GenerateNextClientId() {
   return next_client_id_++;
 }
 
-void DisplayCompositor::ReturnSurfaceReference(
-    const cc::SurfaceSequence& sequence) {
-  std::vector<uint32_t> sequences;
-  sequences.push_back(sequence.sequence);
-  manager_.DidSatisfySequences(sequence.frame_sink_id, &sequences);
-}
-
-DisplayCompositor::~DisplayCompositor() {
-  manager_.RemoveObserver(this);
-}
-
-void DisplayCompositor::OnSurfaceCreated(const cc::SurfaceId& surface_id,
-                                         const gfx::Size& frame_size,
-                                         float device_scale_factor) {
-  if (client_)
-    client_->OnSurfaceCreated(surface_id, frame_size, device_scale_factor);
-}
-
-void DisplayCompositor::OnSurfaceDamaged(const cc::SurfaceId& surface_id,
-                                         bool* changed) {}
-
 }  // namespace ui