Changes top level window creation to include window state in callback

components/mus/public/cpp/lib/window_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_WINDOW_TREE_CLIENT_IMPL_H_
 #define COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 105 matching lines @@
  private:
   friend class WindowTreeClientImplPrivate;
 
   enum class NewWindowType {
     CHILD,
     TOP_LEVEL,
   };
 
   using IdToWindowMap = std::map<Id, Window*>;
 
+  // TODO(sky): this assumes change_ids never wrap, which is a bad assumption.
   using InFlightMap = std::map<uint32_t, scoped_ptr<InFlightChange>>;
 
   // Returns the oldest InFlightChange that matches |change|.
   InFlightChange* GetOldestInFlightChangeMatching(const InFlightChange& change);
 
   // See InFlightChange for details on how InFlightChanges are used.
   uint32_t ScheduleInFlightChange(scoped_ptr<InFlightChange> change);
 
   // Returns true if there is an InFlightChange that matches |change|. If there
   // is an existing change SetRevertValueFrom() is invoked on it. Returns false
@@ skipping 25 matching lines @@
   void RemoveObserver(WindowTreeConnectionObserver* observer) override;
 
   // Overridden from WindowTreeClient:
   void OnEmbed(ConnectionSpecificId connection_id,
                mojom::WindowDataPtr root,
                mojom::WindowTreePtr tree,
                Id focused_window_id,
                uint32_t access_policy) override;
   void OnEmbeddedAppDisconnected(Id window_id) override;
   void OnUnembed(Id window_id) override;
+  void OnTopLevelCreated(uint32_t change_id,
+                         mojom::WindowDataPtr data) override;
   void OnWindowBoundsChanged(Id window_id,
                              mojo::RectPtr old_bounds,
                              mojo::RectPtr new_bounds) override;
   void OnClientAreaChanged(
       uint32_t window_id,
       mojo::InsetsPtr new_client_area,
       mojo::Array<mojo::RectPtr> new_additional_client_areas) override;
   void OnTransientWindowAdded(uint32_t window_id,
                               uint32_t transient_window_id) override;
   void OnTransientWindowRemoved(uint32_t window_id,
@@ skipping 79 matching lines @@
       window_manager_internal_;
   mojom::WindowManagerInternalClientAssociatedPtr
       window_manager_internal_client_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(WindowTreeClientImpl);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_PUBLIC_CPP_LIB_WINDOW_TREE_CLIENT_IMPL_H_