Migrate callers of message_loop_proxy() to task_runner()

tools/ipc_fuzzer/message_replay/replay_process.cc

 // Copyright 2013 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 "tools/ipc_fuzzer/message_replay/replay_process.h"
 
 #include <limits.h>
 #include <string>
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 76 matching lines @@
   // TODO(morrita): As the adoption of ChannelMojo spreads, this
   // criteria has to be updated.
   std::string process_type =
       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
           switches::kProcessType);
   bool should_use_mojo = process_type == switches::kRendererProcess &&
                          content::ShouldUseMojoChannel();
   if (should_use_mojo) {
     channel_ = IPC::ChannelProxy::Create(
         IPC::ChannelMojo::CreateClientFactory(
-            nullptr, io_thread_.message_loop_proxy(), channel_name), this,
-        io_thread_.message_loop_proxy());
+            nullptr, io_thread_.task_runner(), channel_name), this,
+        io_thread_.task_runner());
   } else {
     channel_ =
         IPC::ChannelProxy::Create(channel_name, IPC::Channel::MODE_CLIENT, this,
-                                  io_thread_.message_loop_proxy());
+                                  io_thread_.task_runner());
   }
 }
 
 bool ReplayProcess::OpenTestcase() {
   base::FilePath path =
       base::CommandLine::ForCurrentProcess()->GetSwitchValuePath(
           switches::kIpcFuzzerTestcase);
   return MessageFile::Read(path, &messages_);
 }
 
@@ skipping 27 matching lines @@
   return true;
 }
 
 void ReplayProcess::OnChannelError() {
   LOG(ERROR) << "Channel error, quitting after "
              << message_index_ << " messages";
   base::MessageLoop::current()->Quit();
 }
 
 }  // namespace ipc_fuzzer