Introduce IPC::Channel::Create*() to ensure it being heap-allocated.

ipc/ipc_perftests.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 "build/build_config.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 247 matching lines @@
   sender()->Send(message);
 
   EXPECT_TRUE(WaitForClientShutdown());
   DestroyChannel();
 }
 
 // This message loop bounces all messages back to the sender.
 MULTIPROCESS_IPC_TEST_CLIENT_MAIN(PerformanceClient) {
   base::MessageLoopForIO main_message_loop;
   ChannelReflectorListener listener;
-  IPC::Channel channel(IPCTestBase::GetChannelName("PerformanceClient"),
-                       IPC::Channel::MODE_CLIENT,
-                       &listener);
-  listener.Init(&channel);
-  CHECK(channel.Connect());
+  scoped_ptr<IPC::Channel> channel(IPC::Channel::CreateClient(
+      IPCTestBase::GetChannelName("PerformanceClient"), &listener));
+  listener.Init(channel.get());
+  CHECK(channel->Connect());
 
   base::MessageLoop::current()->Run();
   return 0;
 }
 
 }  // namespace