Makes NewWindow() take set of properties for window

components/mus/ws/window_tree_impl.h

Index: components/mus/ws/window_tree_impl.h
diff --git a/components/mus/ws/window_tree_impl.h b/components/mus/ws/window_tree_impl.h
index 865ae8e519bd108bd0e6e305f60e77ecc56e964f..babe1d7c3eea264a31b66df216c249db0f0ecb95 100644
--- a/components/mus/ws/window_tree_impl.h
+++ b/components/mus/ws/window_tree_impl.h
@@ -74,7 +74,8 @@ class WindowTreeImpl : public mojom::WindowTree, public AccessPolicyDelegate {
 
   // These functions are synchronous variants of those defined in the mojom. The
   // WindowTree implementations all call into these. See the mojom for details.
-  bool NewWindow(const WindowId& window_id);
+  bool NewWindow(const WindowId& window_id,
+                 const std::map<std::string, std::vector<uint8_t>>& properties);
   bool AddWindow(const WindowId& parent_id, const WindowId& child_id);
   bool AddTransientWindow(const WindowId& window_id,
                           const WindowId& transient_window_id);
@@ -190,7 +191,10 @@ class WindowTreeImpl : public mojom::WindowTree, public AccessPolicyDelegate {
                              mojom::WindowManagerErrorCode error_code);
 
   // WindowTree:
-  void NewWindow(uint32_t change_id, Id transport_window_id) override;
+  void NewWindow(uint32_t change_id,
+                 Id transport_window_id,
+                 mojo::Map<mojo::String, mojo::Array<uint8_t>>
+                     transport_properties) override;
   void DeleteWindow(Id transport_window_id,
                     const mojo::Callback<void(bool)>& callback) override;
   void AddWindow(Id parent_id,