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

remoting/host/daemon_process_win.cc

Index: remoting/host/daemon_process_win.cc
diff --git a/remoting/host/daemon_process_win.cc b/remoting/host/daemon_process_win.cc
index dd7959f491255f007806783bca9af070f5f5e0fa..17961d5a440bca16364b3657484479843c4e8efc 100644
--- a/remoting/host/daemon_process_win.cc
+++ b/remoting/host/daemon_process_win.cc
@@ -25,7 +25,6 @@
 #include "base/win/win_util.h"
 #include "ipc/ipc_message.h"
 #include "ipc/ipc_message_macros.h"
-#include "mojo/edk/embedder/scoped_ipc_support.h"
 #include "remoting/base/auto_thread_task_runner.h"
 #include "remoting/base/scoped_sc_handle_win.h"
 #include "remoting/host/branding.h"
@@ -106,11 +105,6 @@
   bool OpenPairingRegistry();
 
  private:
-  // Mojo keeps the task runner passed to it alive forever, so an
-  // AutoThreadTaskRunner should not be passed to it. Otherwise, the process may
-  // never shut down cleanly.
-  mojo::edk::ScopedIPCSupport ipc_support_;
-
   std::unique_ptr<WorkerProcessLauncher> network_launcher_;
 
   // Handle of the network process.
@@ -126,8 +120,8 @@
     scoped_refptr<AutoThreadTaskRunner> caller_task_runner,
     scoped_refptr<AutoThreadTaskRunner> io_task_runner,
     const base::Closure& stopped_callback)
-    : DaemonProcess(caller_task_runner, io_task_runner, stopped_callback),
-      ipc_support_(io_task_runner->task_runner()) {}
+    : DaemonProcess(caller_task_runner, io_task_runner, stopped_callback) {
+}
 
 DaemonProcessWin::~DaemonProcessWin() {
 }