Store the service worker script and its imports on first load... kinda

content/browser/service_worker/service_worker_version.h

 // Copyright 2013 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_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_
 
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 52 matching lines @@
     NEW,         // The version is just created.
     INSTALLING,  // Install event is dispatched and being handled.
     INSTALLED,   // Install event is finished and is ready to be activated.
     ACTIVATING,  // Activate event is dispatched and being handled.
     ACTIVE,      // Activation is finished and can run as active.
     DEACTIVATED, // The version is no longer running as active, due to
                  // unregistration or replace. (TODO(kinuko): we may need
                  // different states for different termination sequences)
   };
 
-  class Listener {
+  class CONTENT_EXPORT Listener {
    public:
     virtual void OnWorkerStarted(ServiceWorkerVersion* version) = 0;
     virtual void OnWorkerStopped(ServiceWorkerVersion* version) = 0;
     virtual void OnVersionStateChanged(ServiceWorkerVersion* version) = 0;
     virtual void OnErrorReported(ServiceWorkerVersion* version,
                                  const base::string16& error_message,
                                  int line_number,
                                  int column_number,
                                  const GURL& source_url) = 0;
     virtual void OnReportConsoleMessage(ServiceWorkerVersion* version,
@@ skipping 181 matching lines @@
   ResourceIDMap script_cache_map_;
 
   base::WeakPtrFactory<ServiceWorkerVersion> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerVersion);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_VERSION_H_