FrameSinkIds use to WindowIds in window server, Process ID/Route ID in renderer

services/ui/ws/server_window_surface.h

 // Copyright 2015 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_SERVER_WINDOW_SURFACE_H_
 #define SERVICES_UI_WS_SERVER_WINDOW_SURFACE_H_
 
 #include <set>
 
 #include "base/macros.h"
@@ skipping 15 matching lines @@
 namespace ws {
 
 class ServerWindow;
 class ServerWindowSurfaceManager;
 
 // Server side representation of a WindowSurface.
 class ServerWindowSurface : public mojom::Surface,
                             public cc::SurfaceFactoryClient {
  public:
   ServerWindowSurface(ServerWindowSurfaceManager* manager,
+                      const cc::FrameSinkId& frame_sink_id,
                       mojo::InterfaceRequest<mojom::Surface> request,
                       mojom::SurfaceClientPtr client);
 
   ~ServerWindowSurface() override;
 
   const gfx::Size& last_submitted_frame_size() const {
     return last_submitted_frame_size_;
   }
 
   bool may_contain_video() const { return may_contain_video_; }
@@ skipping 34 matching lines @@
   bool may_contain_video_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(ServerWindowSurface);
 };
 
 }  // namespace ws
 
 }  // namespace ui
 
 #endif  // SERVICES_UI_WS_SERVER_WINDOW_SURFACE_H_