Replace MockConnectionToClient with FakeConnectionToClient

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_srcs.gni")
 
 source_set("protocol") {
   sources = rebase_path(remoting_srcs_gypi_values.remoting_protocol_sources,
                         ".",
@@ skipping 38 matching lines @@
     }
   }
 }
 
 source_set("test_support") {
   testonly = true
 
   sources = [
     "fake_authenticator.cc",
     "fake_authenticator.h",
+    "fake_connection_to_client.cc",
+    "fake_connection_to_client.h",
     "fake_connection_to_host.cc",
     "fake_connection_to_host.h",
     "fake_datagram_socket.cc",
     "fake_datagram_socket.h",
     "fake_desktop_capturer.cc",
     "fake_desktop_capturer.h",
     "fake_session.cc",
     "fake_session.h",
     "fake_stream_socket.cc",
     "fake_stream_socket.h",
@@ skipping 44 matching lines @@
     "video_frame_pump_unittest.cc",
     "webrtc_transport_unittest.cc",
   ]
 
   deps = [
     ":test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 }