Make IPC::Channel polymorphic

ipc/ipc_send_fds_test.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"
 
 #if defined(OS_POSIX)
 #if defined(OS_MACOSX)
 extern "C" {
 #include <sandbox.h>
@@ skipping 216 matching lines @@
                     int fds_to_send) :
       in_thread_(in_thread),
       out_thread_(out_thread),
       cb_listener_(cb, fds_to_send),
       null_listener_(base::Bind(&null_cb), 0) {
   }
 
   void Init() {
     IPC::ChannelHandle in_handle("IN");
     in = IPC::Channel::CreateServer(in_handle, &null_listener_);
-    base::FileDescriptor out_fd(in->TakeClientFileDescriptor(), false);
+    base::FileDescriptor out_fd(
+        in->TakeClientFileDescriptor(), false);
     IPC::ChannelHandle out_handle("OUT", out_fd);
     out = IPC::Channel::CreateClient(out_handle, &cb_listener_);
     // PostTask the connect calls to make sure the callbacks happens
     // on the right threads.
     in_thread_->message_loop()->PostTask(
         FROM_HERE,
         base::Bind(&PipeChannelHelper::Connect, in.get()));
     out_thread_->message_loop()->PostTask(
         FROM_HERE,
         base::Bind(&PipeChannelHelper::Connect, out.get()));
@@ skipping 119 matching lines @@
   base::WaitableEvent received_;
 };
 
 TEST_F(IPCMultiSendingFdsTest, StressTest) {
   Run();
 }
 
 }  // namespace
 
 #endif  // defined(OS_POSIX)