mus Window Server: implement event capture

components/mus/ws/window_tree_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_WS_WINDOW_TREE_IMPL_H_
 #define COMPONENTS_MUS_WS_WINDOW_TREE_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 150 matching lines @@
                             mojom::OrderDirection direction,
                             bool originated_change);
   void ProcessWindowDeleted(const ServerWindow* window, bool originated_change);
   void ProcessWillChangeWindowVisibility(const ServerWindow* window,
                                          bool originated_change);
   void ProcessCursorChanged(const ServerWindow* window,
                             int32_t cursor_id,
                             bool originated_change);
   void ProcessFocusChanged(const ServerWindow* old_focused_window,
                            const ServerWindow* new_focused_window);
+  void ProcessLostCapture(const ServerWindow* old_lost_capture,
+                          bool originated_change);
   void ProcessTransientWindowAdded(const ServerWindow* window,
                                    const ServerWindow* transient_window,
                                    bool originated_change);
   void ProcessTransientWindowRemoved(const ServerWindow* window,
                                      const ServerWindow* transient_window,
                                      bool originated_change);
 
  private:
   friend class WindowTreeTest;
 
@@ skipping 107 matching lines @@
   void RemoveTransientWindowFromParent(uint32_t change_id,
                                        Id transient_window_id) override;
   void ReorderWindow(uint32_t change_Id,
                      Id window_id,
                      Id relative_window_id,
                      mojom::OrderDirection direction) override;
   void GetWindowTree(
       Id window_id,
       const mojo::Callback<void(mojo::Array<mojom::WindowDataPtr>)>& callback)
       override;
+  void SetCapture(uint32_t change_id, Id window_id) override;
+  void ReleaseCapture(uint32_t change_id, Id window_id) override;
   void SetWindowBounds(uint32_t change_id,
                        Id window_id,
                        mojo::RectPtr bounds) override;
   void SetWindowVisibility(uint32_t change_id,
                            Id window_id,
                            bool visible) override;
   void SetWindowProperty(uint32_t change_id,
                          Id transport_window_id,
                          const mojo::String& name,
                          mojo::Array<uint8_t> value) override;
@@ skipping 78 matching lines @@
 
   scoped_ptr<WaitingForTopLevelWindowInfo> waiting_for_top_level_window_info_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTreeImpl);
 };
 
 }  // namespace ws
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_WINDOW_TREE_IMPL_H_