Fixes to WindowTreeHostMus

ui/aura/mus/window_port_mus.cc

Index: ui/aura/mus/window_port_mus.cc
diff --git a/ui/aura/mus/window_port_mus.cc b/ui/aura/mus/window_port_mus.cc
index e3742929a4d7fdacadf642afde94c480a5c27127..e437b5e2c80b9ffbd97812b36fdfcf653d946150 100644
--- a/ui/aura/mus/window_port_mus.cc
+++ b/ui/aura/mus/window_port_mus.cc
@@ -15,6 +15,10 @@
 
 namespace aura {
 
+WindowPortMus::WindowMusChangeDataImpl::WindowMusChangeDataImpl() = default;
+
+WindowPortMus::WindowMusChangeDataImpl::~WindowMusChangeDataImpl() = default;
+
 // static
 WindowMus* WindowMus::Get(Window* window) {
   return WindowPortMus::Get(window);
@@ -207,6 +211,28 @@ void WindowPortMus::SetSurfaceIdFromServer(
   surface_info_ = std::move(surface_info);
 }
 
+std::unique_ptr<WindowMusChangeData>
+WindowPortMus::PrepareForServerBoundsChange(const gfx::Rect& bounds) {
+  std::unique_ptr<WindowMusChangeDataImpl> data(
+      base::MakeUnique<WindowMusChangeDataImpl>());
+  ServerChangeData change_data;
+  change_data.bounds = bounds;
+  data->change = base::MakeUnique<ScopedServerChange>(
+      this, ServerChangeType::BOUNDS, change_data);
+  return std::move(data);
+}
+
+std::unique_ptr<WindowMusChangeData>
+WindowPortMus::PrepareForServerVisibilityChange(bool value) {
+  std::unique_ptr<WindowMusChangeDataImpl> data(
+      base::MakeUnique<WindowMusChangeDataImpl>());
+  ServerChangeData change_data;
+  change_data.visible = value;
+  data->change = base::MakeUnique<ScopedServerChange>(
+      this, ServerChangeType::VISIBLE, change_data);
+  return std::move(data);
+}
+
 void WindowPortMus::NotifyEmbeddedAppDisconnected() {
   for (WindowObserver& observer : *GetObservers(window_))
     observer.OnEmbeddedAppDisconnected(window_);