Added unit tests for getCredentialsFromAuthCode.

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/config/features.gni")
 import("//build/config/ui.gni")
 import("//remoting/remoting_host.gni")
 import("//remoting/remoting_locales.gni")
 import("//remoting/remoting_srcs.gni")
 import("//remoting/remoting_version.gni")
@@ skipping 217 matching lines @@
       "pairing_registry_delegate_linux_unittest.cc",
       "pairing_registry_delegate_win_unittest.cc",
       "pin_hash_unittest.cc",
       "policy_watcher_unittest.cc",
       "register_support_host_request_unittest.cc",
       "remote_input_filter_unittest.cc",
       "resizing_host_observer_unittest.cc",
       "screen_resolution_unittest.cc",
       "server_log_entry_host_unittest.cc",
       "setup/me2me_native_messaging_host_unittest.cc",
+      "setup/mock_oauth_client.cc",
       "setup/oauth_helper_unittest.cc",
       "setup/pin_validator_unittest.cc",
       "shaped_desktop_capturer_unittest.cc",
       "token_validator_factory_impl_unittest.cc",
       "video_frame_pump_unittest.cc",
       "video_frame_recorder_unittest.cc",
       "win/rdp_client_unittest.cc",
       "win/worker_process_launcher.cc",
       "win/worker_process_launcher.h",
       "win/worker_process_launcher_unittest.cc",
@@ skipping 165 matching lines @@
           "host_main.h",
         ]
 
         deps = [
           ":remoting_me2me_host_static",
         ]
       }
     }
   }
 }