mus: Implement Window Server Capture

components/mus/public/cpp/lib/view_tree_client_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_PUBLIC_CPP_LIB_VIEW_TREE_CLIENT_IMPL_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_LIB_VIEW_TREE_CLIENT_IMPL_H_
 
 #include "components/mus/public/cpp/types.h"
 #include "components/mus/public/cpp/view.h"
 #include "components/mus/public/cpp/view_tree_connection.h"
@@ skipping 24 matching lines @@
   // refers to the root view.
   void AddChild(Id child_id, Id parent_id);
   void RemoveChild(Id child_id, Id parent_id);
 
   void Reorder(Id view_id, Id relative_view_id, mojo::OrderDirection direction);
 
   // Returns true if the specified view was created by this connection.
   bool OwnsView(Id id) const;
 
   void SetBounds(Id view_id, const mojo::Rect& bounds);
+  void SetCapture(Id view_id);
   void SetFocus(Id view_id);
   void SetVisible(Id view_id, bool visible);
   void SetProperty(Id view_id,
                    const std::string& name,
                    const std::vector<uint8_t>& data);
   void SetViewTextInputState(Id view_id, mojo::TextInputStatePtr state);
   void SetImeVisibility(Id view_id,
                         bool visible,
                         mojo::TextInputStatePtr state);
 
@@ skipping 37 matching lines @@
   ConnectionSpecificId GetConnectionId() override;
 
   // Overridden from ViewTreeClient:
   void OnEmbed(ConnectionSpecificId connection_id,
                mojo::ViewDataPtr root,
                mojo::ViewTreePtr tree,
                Id focused_view_id,
                uint32_t access_policy) override;
   void OnEmbeddedAppDisconnected(Id view_id) override;
   void OnUnembed() override;
+  void OnLostCapture(Id view_id) override;
   void OnViewBoundsChanged(Id view_id,
                            mojo::RectPtr old_bounds,
                            mojo::RectPtr new_bounds) override;
   void OnViewViewportMetricsChanged(
       mojo::ViewportMetricsPtr old_metrics,
       mojo::ViewportMetricsPtr new_metrics) override;
   void OnViewHierarchyChanged(Id view_id,
                               Id new_parent_id,
                               Id old_parent_id,
                               mojo::Array<mojo::ViewDataPtr> views) override;
@@ skipping 38 matching lines @@
   bool is_embed_root_;
 
   bool in_destructor_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(ViewTreeClientImpl);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_LIB_VIEW_TREE_CLIENT_IMPL_H_