Revert of Use ChannelMojo between the remoting daemon and network processes.

remoting/base/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.
 
 source_set("base") {
   sources = [
     "auto_thread.cc",
     "auto_thread.h",
     "auto_thread_task_runner.cc",
     "auto_thread_task_runner.h",
@@ skipping 98 matching lines @@
     "telemetry_log_writer_unittest.cc",
     "test_rsa_key_pair.h",
     "typed_buffer_unittest.cc",
     "util_unittest.cc",
   ]
 
   deps = [
     ":base",
     ":breakpad",
     "//base",
-    "//mojo/edk/system",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/libyuv",
     "//third_party/webrtc/modules/desktop_capture:primitives",
   ]
 
   if (is_win || is_mac || is_chromeos) {
     deps += [ "//breakpad:client" ]
   }
 
   if (is_win) {
     libs = [ "rpcrt4.lib" ]  # For UuidCreate in breakpad_win_unittest.cc.
   }
 }