Mandoline: Rename components/view_manager to components/mus

components/view_manager/view_tree_host_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_VIEW_MANAGER_VIEW_TREE_HOST_DELEGATE_H_
-#define COMPONENTS_VIEW_MANAGER_VIEW_TREE_HOST_DELEGATE_H_
-
-namespace view_manager {
-
-class ViewTreeImpl;
-
-// A ViewTreeHostDelegate interface is implemented by an object that
-// has the ViewTreeImpl that is associated with the ViewTreeHostImpl that holds
-// a pointer to this object. Typically, a ViewTreeHostDelegate will also manage
-// the lifetime of the ViewTreeHostImpl and will delete the object when it gets
-// informed of when the Display of the root is closed.
-class ViewTreeHostDelegate {
- public:
-  // Called when the window associated with the root is completely initialized
-  // (i.e. the ViewportMetrics for the display is known).
-  virtual void OnDisplayInitialized() = 0;
-
-  // Called when the window associated with the root is closed.
-  virtual void OnDisplayClosed() = 0;
-
-  // Returns the ViewTreeImpl associated with the delegate.
-  virtual ViewTreeImpl* GetViewTree() = 0;
-
- protected:
-  virtual ~ViewTreeHostDelegate() {}
-};
-
-}  // namespace view_manager
-
-#endif  // COMPONENTS_VIEW_MANAGER_VIEW_TREE_HOST_DELEGATE_H_