Remove latest_submitted_surface_info

services/ui/ws/window_server.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 "services/ui/ws/window_server.h"
 
 #include <set>
 #include <string>
 
 #include "base/logging.h"
@@ skipping 756 matching lines @@
 }
 
 void WindowServer::OnSurfaceCreated(const cc::SurfaceInfo& surface_info) {
   WindowId window_id(
       WindowIdFromTransportId(surface_info.id().frame_sink_id().client_id()));
   ServerWindow* window = GetWindow(window_id);
   // If the window doesn't have a parent then we have nothing to propagate.
   if (!window)
     return;
 
-  // Cache the last submitted surface ID in the window server.
-  // DisplayCompositorFrameSink may submit a CompositorFrame without
-  // creating a CompositorFrameSinkManager.
-  window->GetOrCreateCompositorFrameSinkManager()->SetLatestSurfaceInfo(
-      surface_info);
-
   // FrameGenerator will add an appropriate reference for the new surface.
   DCHECK(display_manager_->GetDisplayContaining(window));
   auto* display = display_manager_->GetDisplayContaining(window);
   if (window == display->GetActiveRootWindow()) {
     display->platform_display()->GetFrameGenerator()->OnSurfaceCreated(
         surface_info);
   }
 
   // This is only used for testing to observe that a window has a
   // CompositorFrame.
@@ skipping 15 matching lines @@
 void WindowServer::OnUserIdAdded(const UserId& id) {
   activity_monitor_map_[id] = base::MakeUnique<UserActivityMonitor>(nullptr);
 }
 
 void WindowServer::OnUserIdRemoved(const UserId& id) {
   activity_monitor_map_.erase(id);
 }
 
 }  // namespace ws
 }  // namespace ui