Remove SurfaceSequence from mus client code.

services/ui/ws/window_tree.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 SERVICES_UI_WS_WINDOW_TREE_H_
 #define SERVICES_UI_WS_WINDOW_TREE_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 403 matching lines @@
                          const mojo::String& name,
                          mojo::Array<uint8_t> value) override;
   void SetWindowOpacity(uint32_t change_id,
                         Id window_id,
                         float opacity) override;
   void AttachCompositorFrameSink(
       Id transport_window_id,
       mojom::CompositorFrameSinkType type,
       cc::mojom::MojoCompositorFrameSinkRequest compositor_frame_sink,
       cc::mojom::MojoCompositorFrameSinkClientPtr client) override;
-  void OnWindowSurfaceDetached(Id transport_window_id,
-                               const cc::SurfaceSequence& sequence) override;
   void Embed(Id transport_window_id,
              mojom::WindowTreeClientPtr client,
              uint32_t flags,
              const EmbedCallback& callback) override;
   void SetFocus(uint32_t change_id, Id transport_window_id) override;
   void SetCanFocus(Id transport_window_id, bool can_focus) override;
   void SetCanAcceptEvents(Id transport_window_id,
                           bool can_accept_events) override;
   void SetPredefinedCursor(uint32_t change_id,
                            Id transport_window_id,
@@ skipping 143 matching lines @@
       waiting_for_top_level_window_info_;
   bool embedder_intercepts_events_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(WindowTree);
 };
 
 }  // namespace ws
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_WINDOW_TREE_H_