Introduce ChannelMojo

ipc/ipc_sync_channel.h

 // 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.
 
 #ifndef IPC_IPC_SYNC_CHANNEL_H_
 #define IPC_IPC_SYNC_CHANNEL_H_
 
 #include <string>
 #include <deque>
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "base/synchronization/waitable_event_watcher.h"
 #include "ipc/ipc_channel_handle.h"
 #include "ipc/ipc_channel_proxy.h"
 #include "ipc/ipc_sync_message.h"
 
 namespace base {
 class WaitableEvent;
 };
 
 namespace IPC {
 
 class SyncMessage;
+class ChannelFactory;
 
 // This is similar to ChannelProxy, with the added feature of supporting sending
 // synchronous messages.
 //
 // Overview of how the sync channel works
 // --------------------------------------
 // When the sending thread sends a synchronous message, we create a bunch
 // of tracking info (created in Send, stored in the PendingSyncMsg
 // structure) associated with the message that we identify by the unique
 // "MessageId" on the SyncMessage. Among the things we save is the
@@ skipping 32 matching lines @@
   // the channel will be initialized synchronously.
   // The naming pattern follows IPC::Channel.
   static scoped_ptr<SyncChannel> Create(
       const IPC::ChannelHandle& channel_handle,
       IPC::Channel::Mode mode,
       Listener* listener,
       base::SingleThreadTaskRunner* ipc_task_runner,
       bool create_pipe_now,
       base::WaitableEvent* shutdown_event);
 
+  static scoped_ptr<SyncChannel> Create(
+      scoped_ptr<ChannelFactory> factory,
+      Listener* listener,
+      base::SingleThreadTaskRunner* ipc_task_runner,
+      bool create_pipe_now,
+      base::WaitableEvent* shutdown_event);
+
   // Creates an uninitialized sync channel. Call ChannelProxy::Init to
   // initialize the channel. This two-step setup allows message filters to be
   // added before any messages are sent or received.
   static scoped_ptr<SyncChannel> Create(
       Listener* listener,
       base::SingleThreadTaskRunner* ipc_task_runner,
       base::WaitableEvent* shutdown_event);
 
   virtual ~SyncChannel();
 
@@ skipping 128 matching lines @@
   // Used to signal events between the IPC and listener threads.
   base::WaitableEventWatcher dispatch_watcher_;
   base::WaitableEventWatcher::EventCallback dispatch_watcher_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(SyncChannel);
 };
 
 }  // namespace IPC
 
 #endif  // IPC_IPC_SYNC_CHANNEL_H_