Makes WindowTree take the AccessPolicy

components/mus/ws/access_policy.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_ACCESS_POLICY_H_
 #define COMPONENTS_MUS_WS_ACCESS_POLICY_H_
 
 #include <stdint.h>
 
 #include "components/mus/public/interfaces/mus_constants.mojom.h"
 #include "components/mus/public/interfaces/window_tree.mojom.h"
 #include "components/mus/ws/ids.h"
 
 namespace mus {
 namespace ws {
 
+class AccessPolicyDelegate;
 class ServerWindow;
 
 // AccessPolicy is used by WindowTree to determine what the WindowTree is
 // allowed to do.
 class AccessPolicy {
  public:
   virtual ~AccessPolicy() {}
 
+  virtual void Init(ConnectionSpecificId connection_id,
+                    AccessPolicyDelegate* delegate) = 0;
+
   // Unless otherwise mentioned all arguments have been validated. That is the
   // |window| arguments are non-null unless otherwise stated (eg CanSetWindow()
   // is allowed to take a NULL window).
   virtual bool CanRemoveWindowFromParent(const ServerWindow* window) const = 0;
   virtual bool CanAddWindow(const ServerWindow* parent,
                             const ServerWindow* child) const = 0;
   virtual bool CanAddTransientWindow(const ServerWindow* parent,
                                      const ServerWindow* child) const = 0;
   virtual bool CanRemoveTransientWindowFromParent(
       const ServerWindow* window) const = 0;
@@ skipping 34 matching lines @@
   virtual const ServerWindow* GetWindowForFocusChange(
       const ServerWindow* focused) = 0;
 
   virtual bool IsValidIdForNewWindow(const ClientWindowId& id) const = 0;
 };
 
 }  // namespace ws
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_WS_ACCESS_POLICY_H_