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

chrome/browser/worker_host/worker_process_host.h

 // Copyright (c) 2009 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_BROWSER_WORKER_HOST_WORKER_PROCESS_HOST_H_
 #define CHROME_BROWSER_WORKER_HOST_WORKER_PROCESS_HOST_H_
 
 #include <list>
 
 #include "base/basictypes.h"
 #include "chrome/common/child_process_host.h"
-#include "chrome/common/ipc_channel.h"
 #include "googleurl/src/gurl.h"
+#include "ipc/ipc_channel.h"
 
 class WorkerProcessHost : public ChildProcessHost {
  public:
   // Contains information about each worker instance, needed to forward messages
   // between the renderer and worker processes.
   struct WorkerInstance {
     GURL url;
     int renderer_process_id;
     int render_view_route_id;
     int worker_route_id;
@@ skipping 42 matching lines @@
                                int* route_id);
   void OnCancelCreateDedicatedWorker(int route_id);
   void OnForwardToWorker(const IPC::Message& message);
 
   Instances instances_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkerProcessHost);
 };
 
 #endif  // CHROME_BROWSER_WORKER_HOST_WORKER_PROCESS_HOST_H_