Hide WorkerProcessHost from chrome.

content/public/browser/worker_service_observer.h

 // Copyright (c) 2011 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_PUBLIC_BROWSER_WORKER_SERVICE_OBSERVER_H_
 #define CONTENT_PUBLIC_BROWSER_WORKER_SERVICE_OBSERVER_H_
 #pragma once
 
-#include "content/browser/worker_host/worker_process_host.h"
+#include "base/process.h"
+#include "base/string16.h"
+
+class GURL;
 
 namespace content {
 
 class WorkerServiceObserver {
  public:
   virtual ~WorkerServiceObserver() {}
 
-  virtual void WorkerCreated(
-      WorkerProcessHost* process,
-      const WorkerProcessHost::WorkerInstance& instance) = 0;
-  virtual void WorkerDestroyed(
-      WorkerProcessHost* process,
-      int worker_route_id) = 0;
-  virtual void WorkerContextStarted(
-      WorkerProcessHost* process,
-      int worker_route_id) = 0;
+  virtual void WorkerCreated(const GURL& url,
+                             const string16& name,
+                             int process_id,
+                             int route_id) {}
+  virtual void WorkerDestroyed(int process_id, int route_id) {}
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WORKER_SERVICE_OBSERVER_H_