Remove SurfaceSequence from mus client code.

services/ui/ws/window_tree_client_unittest.cc

 // 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.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 364 matching lines @@
     tracker_.OnWindowPredefinedCursorChanged(window_id, cursor_id);
   }
 
   void OnDragDropStart(
       mojo::Map<mojo::String, mojo::Array<uint8_t>> drag_data) override {
     NOTIMPLEMENTED();
   }
 
   void OnWindowSurfaceChanged(Id window_id,
                               const cc::SurfaceId& surface_id,
-                              const cc::SurfaceSequence& surface_sequence,
                               const gfx::Size& frame_size,
                               float device_scale_factor) override {
-    tracker_.OnWindowSurfaceChanged(window_id, surface_id, surface_sequence,
-                                    frame_size, device_scale_factor);
+    tracker_.OnWindowSurfaceChanged(window_id, surface_id, frame_size,
+                                    device_scale_factor);
   }
 
   void OnDragEnter(uint32_t window,
                    uint32_t key_state,
                    const gfx::Point& position,
                    uint32_t effect_bitmask,
                    const OnDragEnterCallback& callback) override {
     NOTIMPLEMENTED();
   }
   void OnDragOver(uint32_t window,
@@ skipping 1812 matching lines @@
 
 // TODO(sky): make sure coverage of what was
 // WindowManagerTest.SecondEmbedRoot_InitService and
 // WindowManagerTest.MultipleEmbedRootsBeforeWTHReady gets added to window
 // manager
 // tests.
 
 }  // namespace test
 }  // namespace ws
 }  // namespace ui