Refactored code to allow associating workers with multiple renderers.

chrome/renderer/webworker_base.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_RENDERER_WEBWORKER_BASE_H_
 #define CHROME_RENDERER_WEBWORKER_BASE_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
 #include "ipc/ipc_channel.h"
 
 class ChildThread;
 class GURL;
 
 // WebWorkerBase is the common base class used by both WebWorkerProxy and
 // WebSharedWorker. It contains logic to support starting up both dedicated
 // and shared workers, and handling message queueing while waiting for the
 // worker process to start.
 class WebWorkerBase : public IPC::Channel::Listener {
  public:
   WebWorkerBase(ChildThread* child_thread,
+                unsigned long long document_id,
                 int route_id,
                 int render_view_route_id);
 
   virtual ~WebWorkerBase();
 
   // Creates and initializes a new worker context.
   void CreateWorkerContext(const GURL& script_url,
                            bool is_shared,
                            const string16& name,
                            const string16& user_agent,
@@ skipping 21 matching lines @@
   // a map that maps between these renderer-side route IDs and worker-side
   // routing ids).
   int route_id_;
 
   // The routing id for the RenderView that created this worker.
   int render_view_route_id_;
 
   ChildThread* child_thread_;
 
  private:
+  // 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_;
 };
 
 #endif  // CHROME_RENDERER_WEBWORKER_BASE_H_