Add ChannelProxy benchmark to ipc_perftests.

ipc/mojo/ipc_channel_mojo_unittest.cc

 // 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.
 
 #include "ipc/mojo/ipc_channel_mojo.h"
 
 #include "base/base_paths.h"
 #include "base/files/file.h"
 #include "base/message_loop/message_loop.h"
 #include "base/path_service.h"
@@ skipping 96 matching lines @@
   }
 
   ListenerThatShouldBeNeverCalled never_called_;
 };
 
 
 void IPCChannelMojoTest::CreateMojoChannel(IPC::Listener* listener) {
   CreateChannel(&never_called_);
   scoped_ptr<IPC::Channel> mojo_channel = IPC::ChannelMojo::Create(
       ReleaseChannel(), IPC::Channel::MODE_SERVER, listener,
-      io_thread_task_runner()).PassAs<IPC::Channel>();
+      task_runner()).PassAs<IPC::Channel>();
   SetChannel(mojo_channel.PassAs<IPC::Channel>());
 }
 
 class TestChannelListenerWithExtraExpectations
     : public IPC::TestChannelListener {
  public:
   TestChannelListenerWithExtraExpectations()
       : is_connected_called_(false) {
   }
 
@@ skipping 131 matching lines @@
   client.Connect();
   listener.set_sender(client.channel());
 
   base::MessageLoop::current()->Run();
 
   return 0;
 }
 #endif
 
 }  // namespace