Routes calls to WM through WS

components/mus/public/interfaces/window_tree.mojom

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module mus.mojom;
 
 import "components/mus/public/interfaces/compositor_frame.mojom";
+import "components/mus/public/interfaces/mus_constants.mojom";
 import "components/mus/public/interfaces/surface_id.mojom";
-import "components/mus/public/interfaces/mus_constants.mojom";
+import "components/mus/public/interfaces/window_manager_constants.mojom";
 import "mojo/application/public/interfaces/service_provider.mojom";
 import "network/public/interfaces/url_loader.mojom";
 import "ui/mojo/events/input_events.mojom";
 import "ui/mojo/ime/text_input_state.mojom";
 import "ui/mojo/geometry/geometry.mojom";
 
 struct ViewportMetrics {
   mojo.Size size_in_pixels;
   // A value of 0 indicates the real value is not yet available.
   float device_pixel_ratio = 0.0;
@@ skipping 145 matching lines @@
 
   SetFocus(uint32 window_id);
 
   // Set text input state for the given window.
   SetWindowTextInputState(uint32 window_id, mojo.TextInputState state);
 
   // Set the input method editor UI (software keyboard, etc) visibility.
   // If state is non-null, the specified window's text input state is updated.
   // Otherwise the existing state is used.
   SetImeVisibility(uint32 window_id, bool visible, mojo.TextInputState? state);
+
+  // --------------------------------------------------------------------------
+  // This section is for functions that call through directly to the
+  // WindowManager. It is expected this will move into an associated interface.
+  // See window_manager.mojom for details of these functions.
+  //   OpenWindow(WindowTreeClient client);
+  SetPreferredSize(uint32 window_id, mojo.Size size) =>
+      (WindowManagerErrorCode result);
+  SetBounds(uint32 window_id, mojo.Rect bounds) =>
+      (WindowManagerErrorCode result);
+  SetShowState(uint32 window_id, ShowState show_state) =>
+      (WindowManagerErrorCode result);
+  GetDisplays() => (array<Display> displays);
 };
 
 // Changes to windows are not sent to the connection that originated the
 // change. For example, if connection 1 changes the bounds of a window by
 // calling SetBounds(), connection 1 does not receive OnWindowBoundsChanged().
 interface WindowTreeClient {
   // Invoked when the client application has been embedded at |root|.
   // See Embed() on WindowTree for more details. |tree| will be a handle back to
   // the window manager service, unless the connection is to the root connection
   // in which case it will be null.
@@ skipping 65 matching lines @@
   // |new_data| is null.
   OnWindowSharedPropertyChanged(uint32 window,
                                 string name,
                                 array<uint8>? new_data);
 
   // Invoked when an event is targeted at the specified window.
   OnWindowInputEvent(uint32 window, mojo.Event event) => ();
 
   OnWindowFocused(uint32 focused_window_id);
 };