Tab dragging as implemented as a mus API.

components/mus/public/cpp/window_manager_delegate.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 COMPONENTS_MUS_PUBLIC_CPP_WINDOW_MANAGER_DELEGATE_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_WINDOW_MANAGER_DELEGATE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 38 matching lines @@
                               mojom::EventMatcherPtr event_matcher,
                               const base::Callback<void(bool)>& callback) = 0;
   virtual void RemoveAccelerator(uint32_t id) = 0;
   virtual void AddActivationParent(Window* window) = 0;
   virtual void RemoveActivationParent(Window* window) = 0;
   virtual void ActivateNextWindow() = 0;
   virtual void SetUnderlaySurfaceOffsetAndExtendedHitArea(
       Window* window,
       const gfx::Vector2d& offset,
       const gfx::Insets& hit_area) = 0;
+  virtual void OnWmMoveLoopCompleted(uint32_t change_id,
+                                     bool completed) = 0;
 
  protected:
   virtual ~WindowManagerClient() {}
 };
 
 // Used by clients implementing a window manager.
 // TODO(sky): this should be called WindowManager, but that's rather confusing
 // currently.
 class WindowManagerDelegate {
  public:
@@ skipping 31 matching lines @@
       const std::set<Window*>& client_windows,
       bool janky) = 0;
 
   // Called when a display is added. |window| is the root of the window tree for
   // the specified display.
   virtual void OnWmNewDisplay(Window* window,
                               const display::Display& display) = 0;
 
   virtual void OnAccelerator(uint32_t id, const ui::Event& event) = 0;
 
+  virtual void OnWmPerformMoveLoop(uint32_t change_id,
+                                   uint32_t window_id,
+                                   const gfx::Point& cursor_location) = 0;
+
+  virtual void OnWmCancelMoveLoop(uint32_t window_id) = 0;
+
  protected:
   virtual ~WindowManagerDelegate() {}
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_WINDOW_MANAGER_DELEGATE_H_