Remove some content_child dependency from content_common

content/renderer/websharedworker_proxy.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 CONTENT_RENDERER_WEBSHAREDWORKER_PROXY_H_
 #define CONTENT_RENDERER_WEBSHAREDWORKER_PROXY_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "ipc/ipc_listener.h"
 #include "third_party/WebKit/public/web/WebSharedWorkerConnector.h"
 #include "url/gurl.h"
 
 namespace content {
 
-class ChildThread;
+class MessageRouter;
 
 // Implementation of the WebSharedWorker APIs. This object is intended to only
 // live long enough to allow the caller to send a "connect" event to the worker
 // thread. Once the connect event has been sent, all future communication will
 // happen via the WebMessagePortChannel, and the WebSharedWorker instance will
 // be freed.
 class WebSharedWorkerProxy : public blink::WebSharedWorkerConnector,
                              private IPC::Listener {
  public:
   // If the worker not loaded yet, route_id == MSG_ROUTING_NONE
-  WebSharedWorkerProxy(ChildThread* child_thread,
+  WebSharedWorkerProxy(MessageRouter* router,
                        unsigned long long document_id,
                        int route_id,
                        int render_frame_route_id);
   virtual ~WebSharedWorkerProxy();
 
   // Implementations of WebSharedWorkerConnector APIs
   virtual void connect(blink::WebMessagePortChannel* channel,
                        ConnectListener* listener);
 
  private:
@@ skipping 19 matching lines @@
 
   // Routing id associated with this worker - used to receive messages from the
   // worker, and also to route messages to the worker (WorkerService contains
   // a map that maps between these renderer-side route IDs and worker-side
   // routing ids).
   int route_id_;
 
   // The routing id for the RenderFrame that created this worker.
   int render_frame_route_id_;
 
-  ChildThread* child_thread_;
+  MessageRouter* const router_;
 
   // ID of our parent document (used to shutdown workers when the parent
   // document is detached).
   unsigned long long document_id_;
 
   // Stores messages that were sent before the StartWorkerContext message.
   std::vector<IPC::Message*> queued_messages_;
 
   // The id for the placeholder worker instance we've stored on the
   // browser process (we need to pass this same route id back in when creating
   // the worker).
   int pending_route_id_;
   ConnectListener* connect_listener_;
   bool created_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSharedWorkerProxy);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_WEBSHAREDWORKER_PROXY_H_