Add PAM session wrapper

remoting/host/BUILD.gn

 # 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.
 
 import("//build/util/process_version.gni")
 import("//remoting/build/config/remoting_build.gni")
 
 group("all_tests") {
   testonly = true
 
@@ skipping 869 matching lines @@
         deps += [
           ":remoting_host_resources",
           ":remoting_host_xibs",
           ":remoting_infoplist_strings",
           "//remoting/resources:copy_locales",
         ]
       }
     }
 
     if (is_linux) {
+      executable("remoting_user_session") {
+        sources = [
+          "linux/remoting_user_session.cc",
+        ]
+
+        deps = [
+          "//base",
+        ]
+
+        libs = [ "pam" ]
+      }
       copy("remoting_me2me_host_copy_script") {
         sources = [
           "linux/linux_me2me_host.py",
         ]
         outputs = [
           "$root_build_dir/remoting/chrome-remote-desktop",
         ]
       }
       copy("remoting_me2me_host_copy_host") {
         sources = [
@@ skipping 174 matching lines @@
         rebase_path("//"),
         "-o",
         rebase_path("$root_build_dir"),
       ]
 
       deps = [
         ":remoting_me2me_host",
         ":remoting_native_messaging_host",
         ":remoting_native_messaging_manifests",
         ":remoting_start_host",
+        ":remoting_user_session",
         "//remoting/host/it2me:remote_assistance_host",
         "//remoting/resources",
         "//third_party/icu:icudata",
       ]
     }
   } else if (is_win) {
     group("remoting_me2me_host_archive") {
       deps = [
         "//remoting/host/installer/win:remoting_me2me_host_archive",
       ]
@@ skipping 282 matching lines @@
         "mac/me2me_preference_pane_disable.xib",
 
         #"mac/me2me_preference_pane-Info.plist",
       ]
     }
   } else {
     group("remoting_me2me_host_archive") {
     }
   }
 }