exo: Add ShellSurface::SetApplicationId.

components/exo/wayland/server.cc

 // 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.
 
 #include "components/exo/wayland/server.h"
 
 #include <wayland-server-core.h>
 #include <wayland-server-protocol-core.h>
 
 #include <algorithm>
@@ skipping 627 matching lines @@
 void shell_surface_set_title(wl_client* client,
                              wl_resource* resource,
                              const char* title) {
   GetUserDataAs<ShellSurface>(resource)
       ->SetTitle(base::string16(base::ASCIIToUTF16(title)));
 }
 
 void shell_surface_set_class(wl_client* client,
                              wl_resource* resource,
                              const char* clazz) {
-  NOTIMPLEMENTED();
+  GetUserDataAs<ShellSurface>(resource)->SetApplicationId(clazz);
 }
 
 const struct wl_shell_surface_interface shell_surface_implementation = {
     shell_surface_pong,          shell_surface_move,
     shell_surface_resize,        shell_surface_set_toplevel,
     shell_surface_set_transient, shell_surface_set_fullscreen,
     shell_surface_set_popup,     shell_surface_set_maximized,
     shell_surface_set_title,     shell_surface_set_class};
 
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 82 matching lines @@
   DCHECK(event_loop);
   wl_event_loop_dispatch(event_loop, timeout.InMilliseconds());
 }
 
 void Server::Flush() {
   wl_display_flush_clients(wl_display_.get());
 }
 
 }  // namespace wayland
 }  // namespace exo