[Chromoting] Add DataChannelManager to manage optional incoming data channels

remoting/protocol/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("//remoting/remoting_options.gni")
 import("//media/media_options.gni")
 
 static_library("protocol") {
   sources = [
@@ skipping 31 matching lines @@
     "clipboard_filter.h",
     "clipboard_stub.h",
     "clipboard_thread_proxy.cc",
     "clipboard_thread_proxy.h",
     "connection_to_client.h",
     "connection_to_host.cc",
     "connection_to_host.h",
     "content_description.cc",
     "content_description.h",
     "datagram_channel_factory.h",
+    "data_channel_handler.cc",
+    "data_channel_handler.h",
+    "data_channel_manager.cc",
+    "data_channel_manager.h",
     "errors.cc",
     "errors.h",
     "frame_consumer.h",
     "frame_stats.cc",
     "frame_stats.h",
     "host_control_dispatcher.cc",
     "host_control_dispatcher.h",
     "host_event_dispatcher.cc",
     "host_event_dispatcher.h",
     "host_stub.h",
@@ skipping 197 matching lines @@
 static_library("test_support") {
   testonly = true
 
   sources = [
     "fake_authenticator.cc",
     "fake_authenticator.h",
     "fake_connection_to_host.cc",
     "fake_connection_to_host.h",
     "fake_datagram_socket.cc",
     "fake_datagram_socket.h",
+    "fake_message_pipe.cc",
+    "fake_message_pipe.h",
+    "fake_message_pipe_wrapper.cc",
+    "fake_message_pipe_wrapper.h",
     "fake_session.cc",
     "fake_session.h",
     "fake_stream_socket.cc",
     "fake_stream_socket.h",
     "fake_video_renderer.cc",
     "fake_video_renderer.h",
     "protocol_mock_objects.cc",
     "protocol_mock_objects.h",
   ]
 
@@ skipping 23 matching lines @@
     "authenticator_test_base.h",
     "channel_multiplexer_unittest.cc",
     "channel_socket_adapter_unittest.cc",
     "chromium_socket_factory_unittest.cc",
     "client_video_dispatcher_unittest.cc",
     "clipboard_echo_filter_unittest.cc",
     "clipboard_filter_unittest.cc",
     "connection_tester.cc",
     "connection_tester.h",
     "content_description_unittest.cc",
+    "data_channel_manager_unittest.cc",
     "http_ice_config_request_unittest.cc",
     "ice_transport_unittest.cc",
     "input_event_tracker_unittest.cc",
     "input_filter_unittest.cc",
     "jingle_messages_unittest.cc",
     "jingle_session_unittest.cc",
     "message_decoder_unittest.cc",
     "message_reader_unittest.cc",
     "monitored_video_stub_unittest.cc",
     "mouse_input_filter_unittest.cc",
@@ skipping 23 matching lines @@
     ]
   }
 
   deps = [
     ":test_support",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }