mus: Client-side implementation of modal windows

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

 // 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.
 
 #ifndef COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 48 matching lines @@
 
   // These methods take TransportIds. For windows owned by the current
   // connection, the connection id high word can be zero. In all cases, the
   // TransportId 0x1 refers to the root window.
   void AddChild(Window* parent, Id child_id);
   void RemoveChild(Window* parent, Id child_id);
 
   void AddTransientWindow(Window* window, Id transient_window_id);
   void RemoveTransientWindowFromParent(Window* window);
 
+  void SetModal(Window* window);
+
   void Reorder(Window* window,
                Id relative_window_id,
                mojom::OrderDirection direction);
 
   // Returns true if the specified window was created by this connection.
   bool OwnsWindow(Window* window) const;
 
   void SetBounds(Window* window,
                  const gfx::Rect& old_bounds,
                  const gfx::Rect& bounds);
@@ skipping 213 matching lines @@
   scoped_ptr<mojo::AssociatedBinding<mojom::WindowManager>>
       window_manager_internal_;
   mojom::WindowManagerClientAssociatedPtr window_manager_internal_client_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeClientImpl);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_