Add glue between the client and engine for Blimp

blimp/net/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.
 
 component("blimp_net") {
   sources = [
     "blimp_connection.cc",
     "blimp_connection.h",
     "blimp_message_checkpoint_observer.h",
     "blimp_message_demultiplexer.cc",
@@ skipping 13 matching lines @@
     "common.cc",
     "common.h",
     "connection_error_observer.h",
     "connection_handler.h",
     "engine_connection_manager.cc",
     "engine_connection_manager.h",
     "input_message_generator.cc",
     "input_message_generator.h",
     "input_message_processor.cc",
     "input_message_processor.h",
+    "null_blimp_message_processor.cc",
+    "null_blimp_message_processor.h",
     "stream_packet_reader.cc",
     "stream_packet_reader.h",
     "stream_packet_writer.cc",
     "stream_packet_writer.h",
     "stream_socket_connection.cc",
     "stream_socket_connection.h",
     "tcp_client_transport.cc",
     "tcp_client_transport.h",
     "tcp_engine_transport.cc",
     "tcp_engine_transport.h",
@@ skipping 28 matching lines @@
     ":blimp_net",
     "//base",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//blimp/common/proto",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }