Remove includes of worker_messages.h from chrome code, since that's an internal detail of content.

content/browser/worker_host/worker_process_host.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_BROWSER_WORKER_HOST_WORKER_PROCESS_HOST_H_
 #define CONTENT_BROWSER_WORKER_HOST_WORKER_PROCESS_HOST_H_
 #pragma once
 
 #include <list>
 #include <utility>
@@ skipping 113 matching lines @@
   // the worker.
   bool FilterMessage(const IPC::Message& message, WorkerMessageFilter* filter);
 
   void FilterShutdown(WorkerMessageFilter* filter);
 
   // Shuts down any shared workers that are no longer referenced by active
   // documents.
   void DocumentDetached(WorkerMessageFilter* filter,
                         unsigned long long document_id);
 
+  // Terminates the given worker, i.e. based on a UI action.
+  void TerminateWorker(int worker_route_id);
+
   typedef std::list<WorkerInstance> Instances;
   const Instances& instances() const { return instances_; }
 
   const content::ResourceContext* resource_context() const {
     return resource_context_;
   }
 
  protected:
   friend class WorkerService;
 
@@ skipping 40 matching lines @@
   // keep this around since we'll use it when forward messages to the worker
   // process.
   scoped_refptr<WorkerMessageFilter> worker_message_filter_;
 
   ResourceDispatcherHost* const resource_dispatcher_host_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkerProcessHost);
 };
 
 #endif  // CONTENT_BROWSER_WORKER_HOST_WORKER_PROCESS_HOST_H_