mus: Implement Window Server Capture

components/mus/public/cpp/window.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_WINDOW_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_WINDOW_H_
 
 #include <stdint.h>
 #include <vector>
 
@@ skipping 149 matching lines @@
   void MoveToFront();
   void MoveToBack();
 
   bool Contains(Window* child) const;
 
   Window* GetChildById(Id id);
 
   void SetTextInputState(mojo::TextInputStatePtr state);
   void SetImeVisibility(bool visible, mojo::TextInputStatePtr state);
 
+  // Capture.

[sky, 2015/11/17 01:06:42]

This comment isn't really useful, nuke it.

+  void SetCapture();
+  void ReleaseCapture();
+
   // The following make their way to the WindowManager. See
   // window_manager.mojom for details.
   void SetPreferredSize(const gfx::Size& size);
   void SetShowState(mojom::ShowState show_state);
   void SetResizeBehavior(mojom::ResizeBehavior resize_behavior);
 
   // Focus.
   void SetFocus();
   bool HasFocus() const;
 
@@ skipping 112 matching lines @@
   };
 
   std::map<const void*, Value> prop_map_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(Window);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_WINDOW_H_