WIP: Propagate SurfaceID up window tree hierarchy

services/ui/public/cpp/window_tree_client.cc

Index: services/ui/public/cpp/window_tree_client.cc
diff --git a/services/ui/public/cpp/window_tree_client.cc b/services/ui/public/cpp/window_tree_client.cc
index 87fa4dc00c37b423e30046b6f7b2181269a9d81f..cedfe0a2cf6adf3ba7e4fcc0ee8b8c1942ce477d 100644
--- a/services/ui/public/cpp/window_tree_client.cc
+++ b/services/ui/public/cpp/window_tree_client.cc
@@ -356,6 +356,13 @@ void WindowTreeClient::AttachSurface(
   tree_->AttachSurface(window_id, type, std::move(surface), std::move(client));
 }
 
+void WindowTreeClient::SatisfySurfaceSequence(
+    Id window_id,
+    const cc::SurfaceSequence& sequence) {
+  DCHECK(tree_);
+  tree_->SatisfySurfaceSequence(window_id, sequence);
+}
+
 void WindowTreeClient::LocalSetCapture(Window* window) {
   if (capture_window_ == window)
     return;
@@ -489,10 +496,11 @@ Window* WindowTreeClient::BuildWindowTree(
 
 Window* WindowTreeClient::NewWindowImpl(
     NewWindowType type,
-    const Window::SharedProperties* properties) {
+    const Window::SharedProperties* properties,
+    bool container) {
   DCHECK(tree_);
-  Window* window =
-      new Window(this, MakeTransportId(client_id_, next_window_id_++));
+  Window* window = new Window(
+      this, MakeTransportId(client_id_, next_window_id_++), container);
   if (properties)
     window->properties_ = *properties;
   AddWindow(window);
@@ -694,9 +702,9 @@ void WindowTreeClient::CancelWindowMove(Window* window) {
   tree_->CancelWindowMove(window->server_id());
 }
 
-Window* WindowTreeClient::NewWindow(
-    const Window::SharedProperties* properties) {
-  return NewWindowImpl(NewWindowType::CHILD, properties);
+Window* WindowTreeClient::NewWindow(const Window::SharedProperties* properties,
+                                    bool container) {
+  return NewWindowImpl(NewWindowType::CHILD, properties, container);
 }
 
 Window* WindowTreeClient::NewTopLevelWindow(
@@ -886,6 +894,21 @@ void WindowTreeClient::OnWindowBoundsChanged(Id window_id,
   WindowPrivate(window).LocalSetBounds(old_bounds, new_bounds);
 }
 
+void WindowTreeClient::OnWindowSurfaceCreated(
+    Id window_id,
+    const gfx::Size& size,
+    float device_scale_factor,
+    const cc::SurfaceId& surface_id,
+    const cc::SurfaceSequence& surface_sequence) {
+  Window* window = GetWindowByServerId(window_id);
+  if (!window)
+    return;
+
+  // TODO(fsamuel): Figure out lifetime management.
+  WindowPrivate(window).LocalSetSurfaceId(size, device_scale_factor, surface_id,
+                                          surface_sequence);
+}
+
 void WindowTreeClient::OnClientAreaChanged(
     uint32_t window_id,
     const gfx::Insets& new_client_area,