mus: Implement Window Server Capture

components/mus/view_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_VIEW_TREE_IMPL_H_
 #define COMPONENTS_MUS_VIEW_TREE_IMPL_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 96 matching lines @@
                                    bool originated_change);
   void ProcessViewReorder(const ServerView* view,
                           const ServerView* relative_view,
                           mojo::OrderDirection direction,
                           bool originated_change);
   void ProcessViewDeleted(const ViewId& view, bool originated_change);
   void ProcessWillChangeViewVisibility(const ServerView* view,
                                        bool originated_change);
   void ProcessFocusChanged(const ServerView* old_focused_view,
                            const ServerView* new_focused_view);
+  void ProcessLostCapture(const ServerView* old_captured_view);
 
  private:
   using ViewIdSet = base::hash_set<Id>;
   using ViewMap = std::map<ConnectionSpecificId, ServerView*>;
 
   bool IsViewKnown(const ServerView* view) const;
 
   // These functions return true if the corresponding mojom function is allowed
   // for this connection.
   bool CanReorderView(const ServerView* view,
@@ skipping 53 matching lines @@
   void RemoveViewFromParent(
       Id view_id,
       const mojo::Callback<void(bool)>& callback) override;
   void ReorderView(Id view_id,
                    Id relative_view_id,
                    mojo::OrderDirection direction,
                    const mojo::Callback<void(bool)>& callback) override;
   void GetViewTree(Id view_id,
                    const mojo::Callback<void(mojo::Array<mojo::ViewDataPtr>)>&
                        callback) override;
+  void SetCapture(Id view_id,
+                  const mojo::Callback<void(bool)>& callback) override;
   void SetViewBounds(Id view_id,
                      mojo::RectPtr bounds,
                      const mojo::Callback<void(bool)>& callback) override;
   void SetViewVisibility(Id view_id,
                          bool visible,
                          const mojo::Callback<void(bool)>& callback) override;
   void SetViewProperty(Id view_id,
                        const mojo::String& name,
                        mojo::Array<uint8_t> value,
                        const mojo::Callback<void(bool)>& callback) override;
@@ skipping 43 matching lines @@
   scoped_ptr<ViewId> root_;
 
   bool is_embed_root_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewTreeImpl);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_VIEW_TREE_IMPL_H_