Changed CreateWorker to coalesce any matching queued shared workers when a

chrome/browser/worker_host/worker_service.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_BROWSER_WORKER_HOST_WORKER_SERVICE_H_
 #define CHROME_BROWSER_WORKER_HOST_WORKER_SERVICE_H_
 
 #include <list>
 
 #include "base/basictypes.h"
@@ skipping 69 matching lines @@
   // Used when we run each worker in a separate process.
   static const int kMaxWorkersWhenSeparate;
   static const int kMaxWorkersPerTabWhenSeparate;
 
  private:
   friend struct DefaultSingletonTraits<WorkerService>;
 
   WorkerService();
   ~WorkerService();
 
+  // Given a WorkerInstance, create an associated worker process.
+  bool CreateWorkerFromInstance(WorkerProcessHost::WorkerInstance instance);
+
   // Returns a WorkerProcessHost object if one exists for the given domain, or
   // NULL if there are no such workers yet.
   WorkerProcessHost* GetProcessForDomain(const GURL& url);
 
   // Returns a WorkerProcessHost based on a strategy of creating one worker per
   // core.
   WorkerProcessHost* GetProcessToFillUpCores();
 
   // Returns the WorkerProcessHost from the existing set that has the least
   // number of worker instance running.
@@ skipping 19 matching lines @@
   void SenderShutdown(IPC::Message::Sender* sender);
 
   // Notifies us that a worker process has closed.
   void WorkerProcessDestroyed(WorkerProcessHost* process);
 
   // APIs for manipulating our set of pending shared worker instances.
   WorkerProcessHost::WorkerInstance* CreatePendingInstance(
       const GURL& url, const string16& name, bool off_the_record);
   WorkerProcessHost::WorkerInstance* FindPendingInstance(
       const GURL& url, const string16& name, bool off_the_record);
-  void RemovePendingInstance(
+  void RemovePendingInstances(
       const GURL& url, const string16& name, bool off_the_record);
 
   NotificationRegistrar registrar_;
   int next_worker_route_id_;
   ResourceDispatcherHost* resource_dispatcher_host_;
 
   WorkerProcessHost::Instances queued_workers_;
 
   // These are shared workers that have been looked up, but not created yet.
   // We need to keep a list of these to synchronously detect shared worker
   // URL mismatches when two pages launch shared workers simultaneously.
   WorkerProcessHost::Instances pending_shared_workers_;
 
   DISALLOW_COPY_AND_ASSIGN(WorkerService);
 };
 
 #endif  // CHROME_BROWSER_WORKER_HOST_WORKER_SERVICE_H_