Inform window manager about modal windows in mus+ash.

ui/aura/mus/window_tree_client.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 UI_AURA_MUS_WINDOW_TREE_CLIENT_H_
 #define UI_AURA_MUS_WINDOW_TREE_CLIENT_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 11 matching lines @@
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
 #include "ui/aura/aura_export.h"
 #include "ui/aura/client/transient_window_client_observer.h"
 #include "ui/aura/mus/capture_synchronizer_delegate.h"
 #include "ui/aura/mus/drag_drop_controller_host.h"
 #include "ui/aura/mus/focus_synchronizer_delegate.h"
 #include "ui/aura/mus/mus_types.h"
 #include "ui/aura/mus/window_manager_delegate.h"
 #include "ui/aura/mus/window_tree_host_mus_delegate.h"
+#include "ui/base/ui_base_types.h"
 
 namespace base {
 class Thread;
 }
 
 namespace discardable_memory {
 class ClientDiscardableSharedMemoryManager;
 }
 
 namespace display {
@@ skipping 355 matching lines @@
   void WmDisplayRemoved(int64_t display_id) override;
   void WmDisplayModified(const display::Display& display) override;
   void WmSetBounds(uint32_t change_id,
                    Id window_id,
                    const gfx::Rect& transit_bounds_in_pixels) override;
   void WmSetProperty(
       uint32_t change_id,
       Id window_id,
       const std::string& name,
       const base::Optional<std::vector<uint8_t>>& transit_data) override;
+  void WmSetModalType(Id window_id, ui::ModalType type) override;
   void WmSetCanFocus(Id window_id, bool can_focus) override;
   void WmCreateTopLevelWindow(
       uint32_t change_id,
       ClientSpecificId requesting_client_id,
       const std::unordered_map<std::string, std::vector<uint8_t>>&
           transport_properties) override;
   void WmClientJankinessChanged(ClientSpecificId client_id,
                                 bool janky) override;
   void WmPerformMoveLoop(uint32_t change_id,
                          Id window_id,
@@ skipping 152 matching lines @@
   // ContextFactory that was set on Env originally.
   ui::ContextFactory* initial_context_factory_ = nullptr;
   base::WeakPtrFactory<WindowTreeClient> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeClient);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_MUS_WINDOW_TREE_CLIENT_H_