aura-mus: Hook up PerformWindowMove().

ui/aura/mus/window_tree_host_mus.h

 // Copyright 2015 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_HOST_MUS_H_
 #define UI_AURA_MUS_WINDOW_TREE_HOST_MUS_H_
 
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "services/service_manager/public/cpp/connector.h"
+#include "services/ui/public/interfaces/window_manager_constants.mojom.h"
 #include "ui/aura/aura_export.h"
 #include "ui/aura/window_tree_host_platform.h"
 
 namespace display {
 class Display;
 }
 
 namespace aura {
 
 class InputMethodMus;
@@ skipping 49 matching lines @@
   void DeactivateWindow();
 
   // Requests that our root window be stacked above this other root window
   // which our connection owns.
   void StackAbove(Window* window);
 
   // Requests that our root window be stacked above all other parallel root
   // windows which we might not own.
   void StackAtTop();
 
+  // Tells the window manager to take control of moving the window. Returns
+  // true if the move wasn't canceled.
+  void PerformWindowMove(ui::mojom::MoveLoopSource mus_source,
+                         const gfx::Point& cursor_location,
+                         const base::Callback<void(bool)>& callback);
+
+  // Tells the window manager to abort any current move initiated by
+  // PerformWindowMove().
+  void CancelWindowMove();
+
   // Intended only for WindowTreeClient to call.
   void set_display_id(int64_t id) { display_id_ = id; }
   int64_t display_id() const { return display_id_; }
   display::Display GetDisplay() const;
 
   // aura::WindowTreeHostPlatform:
   void HideImpl() override;
   void SetBoundsInPixels(const gfx::Rect& bounds) override;
   void DispatchEvent(ui::Event* event) override;
   void OnClosed() override;
   void OnActivationChanged(bool active) override;
   void OnCloseRequest() override;
   gfx::ICCProfile GetICCProfileForCurrentDisplay() override;
 
  private:
   int64_t display_id_;
 
   WindowTreeHostMusDelegate* delegate_;
 
   bool in_set_bounds_from_server_ = false;
 
   std::unique_ptr<InputMethodMus> input_method_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeHostMus);
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_MUS_WINDOW_TREE_HOST_MUS_H_