Add ChannelProxy benchmark to ipc_perftests.

ipc/ipc_test_base.h

 // Copyright (c) 2011 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.
 
 #ifndef IPC_IPC_TEST_BASE_H_
 #define IPC_IPC_TEST_BASE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/process/process.h"
 #include "base/test/multiprocess_test.h"
 #include "ipc/ipc_channel.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_multiprocess_test.h"
 
 namespace base {
-class MessageLoopForIO;
+class MessageLoop;
 }
 
 // A test fixture for multiprocess IPC tests. Such tests include a "client" side
 // (running in a separate process). The same client may be shared between
 // several different tests.
 class IPCTestBase : public base::MultiProcessTest {
  public:
   // The channel name is based on the client's name. This is a public static
   // helper to be used by the client-side code; server-side test code should
   // usually not use this (directly).
@@ skipping 49 matching lines @@
   // channel or a proxy).
   IPC::Sender* sender() {
     return channel_.get() ? static_cast<IPC::Sender*>(channel_.get()) :
                             static_cast<IPC::Sender*>(channel_proxy_.get());
   }
 
   IPC::Channel* channel() { return channel_.get(); }
   IPC::ChannelProxy* channel_proxy() { return channel_proxy_.get(); }
 
   const base::ProcessHandle& client_process() const { return client_process_; }
-  scoped_refptr<base::TaskRunner> io_thread_task_runner();
+  scoped_refptr<base::TaskRunner> task_runner();
+
+  // Some tests creates separate thread for IO message loop and Run
+  // non-IO message loop on the main thread. As IPCTestBase creates IO
+  // message loop by default, such tests might want to replace it with
+  // non-IO one using set_message_loop().
+  //
+  // The replacement should be done at the beginning of the test.
+  // You should be careful not to replace "live" message loop that has
+  // started running.
+  void set_message_loop(scoped_ptr<base::MessageLoop> loop);
 
  private:
   std::string test_client_name_;
-  scoped_ptr<base::MessageLoopForIO> message_loop_;
+  scoped_ptr<base::MessageLoop> message_loop_;
 
   scoped_ptr<IPC::Channel> channel_;
   scoped_ptr<IPC::ChannelProxy> channel_proxy_;
 
   base::ProcessHandle client_process_;
 
   DISALLOW_COPY_AND_ASSIGN(IPCTestBase);
 };
 
 // Use this to declare the client side for tests using IPCTestBase.
 #define MULTIPROCESS_IPC_TEST_CLIENT_MAIN(test_client_name) \
     MULTIPROCESS_IPC_TEST_MAIN(test_client_name ## TestClientMain)
 
 #endif  // IPC_IPC_TEST_BASE_H_