Changes how window manager obtains WindowTree from mus

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 "cc/ipc/surface_id.mojom";
 import "components/mus/public/interfaces/compositor_frame.mojom";
 import "components/mus/public/interfaces/cursor.mojom";
 import "components/mus/public/interfaces/event_matcher.mojom";
 import "components/mus/public/interfaces/mus_constants.mojom";
 import "components/mus/public/interfaces/window_manager.mojom";
 import "components/mus/public/interfaces/window_manager_constants.mojom";
+import "components/mus/public/interfaces/window_tree_constants.mojom";
 import "ui/events/mojo/event.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 import "ui/platform_window/mojo/text_input_state.mojom";
 
-struct WindowData {
-  uint32 parent_id;
-  uint32 window_id;
-  gfx.mojom.Rect bounds;
-  map<string, array<uint8>> properties;
-  // True if this window is visible. The window may not be drawn on screen (see
-  // OnWindowParentDrawnStateChanged() for details).
-  bool visible;
-};
-
-enum ErrorCode {
-  NONE,
-  VALUE_IN_USE,
-  ILLEGAL_ARGUMENT,
-};
-
-// Each Window has support for two surfaces. Generally the |DEFAULT| surface
-// is used. The |UNDERLAY| surface is useful if the owner of a window wants to
-// to Embed() another client and at the same time draw something under the
-// embedded apps representation.
-enum SurfaceType {
-  // Only the owner of a window may obtain this surface.
-  // The window manager can change the offset of this by way of
-  // SetUnderlaySurfaceOffsetAndExtendedHitArea().
-  UNDERLAY,
-
-  // Only the embedded app may obtain this surface. If an app is not embedded
-  // in the Window than the owner may also render to this surface as well.
-  DEFAULT,
-};
-
-// The result of an input event sent to a client app.
-enum EventResult {
-  HANDLED,
-  UNHANDLED,
-};
-
 // Windows are identified by a uint32. The upper 16 bits are the connection id,
 // and the lower 16 the id assigned by the client.
 //
 // The root window is identified with a connection id of 0, and value of 1.
 //
 // Most functions to the WindowTree take a change_id parameter. When
 // WindowTree completes processing of a function WindowTree calls
 // WindowTreeClient::OnChangeCompleted() with the change_id supplied by the
 // client and the result of the function. This allows the client to track
 // whether the call succeeded or not. Calls are done via the client interface
@@ skipping 336 matching lines @@
   // See description of WindowManager for details.
   GetWindowManager(associated WindowManager& internal);
 };
 
 // Mus provides this interface as a way for clients to connect and obtain a
 // WindowTree handle with a supplied WindowTreeClient handle. The
 // WindowTreeClient has no roots, use NewTopLevelWindow() to create one.
 interface WindowTreeFactory {
   CreateWindowTree(WindowTree& tree_request, WindowTreeClient client);
 };