Add WorkerDocumentSet::ContainsExternalRenderer(int worker_process_id)

content/browser/worker_host/worker_document_set.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_BROWSER_WORKER_HOST_WORKER_DOCUMENT_SET_H_
 #define CONTENT_BROWSER_WORKER_HOST_WORKER_DOCUMENT_SET_H_
 
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 46 matching lines @@
   // communication with the parent tab for things like http auth dialogs.
   void Add(BrowserMessageFilter* parent,
            unsigned long long document_id,
            int render_process_id,
            int render_frame_id);
 
   // Checks to see if a document is in a shared worker's document set.
   bool Contains(BrowserMessageFilter* parent,
                 unsigned long long document_id) const;
 
+  // Checks to see if the document set contains any documents which is
+  // associated with other renderer process than worker_process_id.
+  bool ContainsExternalRenderer(int worker_process_id) const;
+
   // Removes a specific document from a worker's document set when that document
   // is detached.
   void Remove(BrowserMessageFilter* parent, unsigned long long document_id);
 
   // Invoked when a render process exits, to remove all associated documents
   // from a worker's document set.
   void RemoveAll(BrowserMessageFilter* parent);
 
   bool IsEmpty() const { return document_set_.empty(); }
 
   // Define a typedef for convenience here when declaring iterators, etc.
   typedef std::set<DocumentInfo> DocumentInfoSet;
 
   // Returns the set of documents associated with this worker.
   const DocumentInfoSet& documents() { return document_set_; }
 
  private:
   friend class base::RefCounted<WorkerDocumentSet>;
   virtual ~WorkerDocumentSet();
 
   DocumentInfoSet document_set_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WORKER_HOST_WORKER_DOCUMENT_SET_H_