Routes calls to WM through WS

components/mus/public/cpp/lib/window_tree_client_impl.h

Index: components/mus/public/cpp/lib/window_tree_client_impl.h
diff --git a/components/mus/public/cpp/lib/window_tree_client_impl.h b/components/mus/public/cpp/lib/window_tree_client_impl.h
index d3b61fe0435f49a17014de26b9aed2ccd383643f..5f7042c4cae0843ece07027b1a1e61d196067227 100644
--- a/components/mus/public/cpp/lib/window_tree_client_impl.h
+++ b/components/mus/public/cpp/lib/window_tree_client_impl.h
@@ -11,6 +11,11 @@
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
 
+namespace gfx {
+class Rect;
+class Size;
+}
+
 namespace mus {
 class WindowTreeConnection;
 class WindowTreeDelegate;
@@ -85,6 +90,10 @@ class WindowTreeClientImpl : public WindowTreeConnection,
   // is torn down after the root.
   void OnRootDestroyed(Window* root);
 
+  void SetPreferredSize(Id window_id, const gfx::Size& size);
+  void RequestBoundsChange(Id window_id, const gfx::Rect& bounds);
+  void SetShowState(Id window_id, mojom::ShowState show_state);
+
  private:
   typedef std::map<Id, Window*> IdToWindowMap;