WIP: Propagate SurfaceID up window tree hierarchy

services/ui/ws/window_tree.cc

Index: services/ui/ws/window_tree.cc
diff --git a/services/ui/ws/window_tree.cc b/services/ui/ws/window_tree.cc
index 9d030735e490e6a374e44fa33e33b30871929a61..60c2b5228b1f916fc96d2633fd036a4fca4943ba 100644
--- a/services/ui/ws/window_tree.cc
+++ b/services/ui/ws/window_tree.cc
@@ -21,6 +21,7 @@
 #include "services/ui/ws/platform_display.h"
 #include "services/ui/ws/server_window.h"
 #include "services/ui/ws/server_window_observer.h"
+#include "services/ui/ws/server_window_surface_manager.h"
 #include "services/ui/ws/user_display_manager.h"
 #include "services/ui/ws/window_manager_display_root.h"
 #include "services/ui/ws/window_manager_state.h"
@@ -526,6 +527,20 @@ void WindowTree::ProcessWindowBoundsChanged(const ServerWindow* window,
   client()->OnWindowBoundsChanged(client_window_id.id, old_bounds, new_bounds);
 }
 
+void WindowTree::ProcessWindowSurfaceCreated(
+    const ServerWindow* window,
+    const gfx::Size& size,
+    float device_scale_factor,
+    const cc::SurfaceId& surface_id,
+    const cc::SurfaceSequence& surface_sequence) {
+  ClientWindowId client_window_id;
+  if (!IsWindowKnown(window, &client_window_id))
+    return;
+  client()->OnWindowSurfaceCreated(client_window_id.id, size,
+                                   device_scale_factor, surface_id,
+                                   surface_sequence);
+}
+
 void WindowTree::ProcessClientAreaChanged(
     const ServerWindow* window,
     const gfx::Insets& new_client_area,
@@ -1334,11 +1349,22 @@ void WindowTree::AttachSurface(Id transport_window_id,
       window && access_policy_->CanSetWindowSurface(window, type);
   if (!success) {
     DVLOG(1) << "request to AttachSurface failed";
+    fprintf(stderr, ">>>FAILED TO ATTACH %p\n", window);
     return;
   }
   window->CreateSurface(type, std::move(surface), std::move(client));
 }
 
+void WindowTree::SatisfySurfaceSequence(Id transport_window_id,
+                                        const cc::SurfaceSequence& sequence) {
+
+  ServerWindow* window =
+      GetWindowByClientId(ClientWindowId(transport_window_id));
+  if (!window)
+    return;
+  window->GetOrCreateSurfaceManager()->SatisfySurfaceSequence(sequence);
+}
+
 void WindowTree::SetWindowTextInputState(Id transport_window_id,
                                          mojo::TextInputStatePtr state) {
   ServerWindow* window =