Separates ipc code from common (http://crbug.com/16829)

chrome/common/message_router.h

 // Copyright (c) 2006-2008 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 CHROME_COMMON_MESSAGE_ROUTER_H__
 #define CHROME_COMMON_MESSAGE_ROUTER_H__
 
 #include "base/id_map.h"
-#include "chrome/common/ipc_channel.h"
+#include "ipc/ipc_channel.h"
 
 // The MessageRouter handles all incoming messages sent to it by routing them
 // to the correct listener.  Routing is based on the Message's routing ID.
 // Since routing IDs are typically assigned asynchronously by the browser
 // process, the MessageRouter has the notion of pending IDs for listeners that
 // have not yet been assigned a routing ID.
 //
 // When a message arrives, the routing ID is used to index the set of routes to
 // find a listener.  If a listener is found, then the message is passed to it.
 // Otherwise, the message is ignored if its routing ID is not equal to
@@ skipping 31 matching lines @@
   void RemoveRoute(int32 routing_id);
 
  private:
   // A list of all listeners with assigned routing IDs.
   IDMap<IPC::Channel::Listener> routes_;
 
   DISALLOW_EVIL_CONSTRUCTORS(MessageRouter);
 };
 
 #endif  // CHROME_COMMON_MESSAGE_ROUTER_H__