Use ChannelMojo between the remoting daemon and desktop processes.

remoting/host/desktop_process_unittest.cc

 // Copyright (c) 2012 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.
 
 #include "remoting/host/desktop_process.h"
 
 #include <stdint.h>
 
 #include <utility>
 
@@ skipping 247 matching lines @@
   base::Closure quit_ui_task_runner = base::Bind(
       base::IgnoreResult(&base::SingleThreadTaskRunner::PostTask),
       message_loop_.task_runner(),
       FROM_HERE, run_loop.QuitClosure());
   scoped_refptr<AutoThreadTaskRunner> ui_task_runner = new AutoThreadTaskRunner(
       message_loop_.task_runner(), quit_ui_task_runner);
 
   io_task_runner_ = AutoThread::CreateWithType(
       "IPC thread", ui_task_runner, base::MessageLoop::TYPE_IO);
 
-  std::string channel_name = IPC::Channel::GenerateUniqueRandomChannelID();
+  mojo::MessagePipe pipe;
   daemon_channel_ = IPC::ChannelProxy::Create(
-      IPC::ChannelHandle(channel_name), IPC::Channel::MODE_SERVER,
-      &daemon_listener_, io_task_runner_.get());
+      pipe.handle0.release(), IPC::Channel::MODE_SERVER, &daemon_listener_,
+      io_task_runner_.get());
 
   std::unique_ptr<MockDesktopEnvironmentFactory> desktop_environment_factory(
       new MockDesktopEnvironmentFactory());
   EXPECT_CALL(*desktop_environment_factory, CreatePtr())
       .Times(AnyNumber())
       .WillRepeatedly(Invoke(this,
                              &DesktopProcessTest::CreateDesktopEnvironment));
   EXPECT_CALL(*desktop_environment_factory, SupportsAudioCapture())
       .Times(AnyNumber())
       .WillRepeatedly(Return(false));
 
-  DesktopProcess desktop_process(ui_task_runner, io_task_runner_, channel_name);
+  DesktopProcess desktop_process(ui_task_runner, io_task_runner_,
+                                 io_task_runner_, std::move(pipe.handle1));
   EXPECT_TRUE(desktop_process.Start(std::move(desktop_environment_factory)));
 
   ui_task_runner = nullptr;
   run_loop.Run();
 }
 
 void DesktopProcessTest::RunDeathTest() {
   InSequence s;
   EXPECT_CALL(daemon_listener_, OnChannelConnected(_));
   EXPECT_CALL(daemon_listener_, OnDesktopAttached(_))
@@ skipping 61 matching lines @@
 }
 
 // Run the desktop process and ask it to crash.
 TEST_F(DesktopProcessTest, DeathTest) {
   testing::GTEST_FLAG(death_test_style) = "threadsafe";
 
   EXPECT_DEATH(RunDeathTest(), "");
 }
 
 }  // namespace remoting