Add interfaces for most major Blimp net components.

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_dispatcher.cc",
-    "blimp_message_dispatcher.h",
+    "blimp_message_ack_observer.h",
+    "blimp_message_demultiplexer.cc",
+    "blimp_message_demultiplexer.h",
+    "blimp_message_multiplexer.cc",
+    "blimp_message_multiplexer.h",
+    "blimp_message_output_buffer.cc",
+    "blimp_message_output_buffer.h",
+    "blimp_message_processor.h",
     "blimp_message_receiver.h",
     "blimp_net_export.h",
     "blimp_transport.h",
     "common.cc",
     "common.h",
+    "connection_handler.h",
     "packet_reader.cc",
     "packet_reader.h",
     "packet_writer.cc",
     "packet_writer.h",
     "tcp_client_transport.cc",
     "tcp_client_transport.h",
   ]
 
   defines = [ "BLIMP_NET_IMPLEMENTATION=1" ]
 
   deps = [
     "//base",
     "//blimp/common/proto",
     "//net",
   ]
 }
 
 source_set("unit_tests") {
   testonly = true
 
   sources = [
-    "blimp_message_dispatcher_unittest.cc",
+    "blimp_message_demultiplexer_unittest.cc",
     "packet_reader_unittest.cc",
     "packet_writer_unittest.cc",
     "test_common.cc",
     "test_common.h",
   ]
 
   deps = [
     ":blimp_net",
     "//base",
     "//base/test:run_all_unittests",
     "//base/test:test_support",
     "//blimp/common/proto",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }