Moving oauth code from host to base to allow code sharing between host and client.

remoting/host/setup/BUILD.gn

 # 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.
 
 source_set("setup") {
   sources = [
     "daemon_controller.cc",
     "daemon_controller.h",
     "daemon_controller_delegate_linux.cc",
     "daemon_controller_delegate_linux.h",
     "daemon_controller_delegate_mac.h",
     "daemon_controller_delegate_mac.mm",
     "daemon_controller_delegate_win.cc",
     "daemon_controller_delegate_win.h",
-    "gaia_oauth_client.cc",
-    "gaia_oauth_client.h",
     "me2me_native_messaging_host.cc",
     "me2me_native_messaging_host.h",
-    "oauth_client.h",
-    "oauth_helper.cc",
-    "oauth_helper.h",
     "pin_validator.cc",
     "pin_validator.h",
     "service_client.cc",
     "service_client.h",
     "test_util.cc",
     "test_util.h",
     "win/auth_code_getter.cc",
     "win/auth_code_getter.h",
   ]
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
     "//build/config/compiler:wexit_time_destructors",
     "//remoting/build/config:version",
   ]
 
   deps = [
     "//base",
     "//google_apis",

[Roger Tawa OOO till Jul 10th, 2017/02/02 19:09:59]

Should this line be removed?

[nicholss, 2017/02/02 19:41:45]

me2me_native_messaging_host and host_starter.cc uses google_api_keys.h to get
keys.

+    "//remoting/base:authorization",
     "//remoting/host",
     "//remoting/host/native_messaging",
   ]
 
   if (is_mac || is_ios) {
     deps += [ "//remoting/host/mac:constants" ]
   }
 
   if (is_win) {
     deps += [ "//remoting/host/win:remoting_lib_idl" ]
   }
 }