Added lifecycle management and sharing support for SharedWorkers. SharedWorkers

chrome/renderer/websharedworkerrepository_impl.cc

 // 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.
 
 #include "chrome/renderer/websharedworkerrepository_impl.h"
 
+#include "chrome/common/render_messages.h"
+#include "chrome/renderer/render_thread.h"
 #include "chrome/renderer/websharedworker_proxy.h"
 
 void WebSharedWorkerRepositoryImpl::addSharedWorker(
     WebKit::WebSharedWorker* worker, DocumentID document) {
-  // TODO(atwilson): Track shared worker creation here.
+  shared_worker_parents_.insert(document);
 }
 
-void WebSharedWorkerRepositoryImpl::documentDetached(
-    DocumentID document) {
-    // TODO(atwilson): Update this to call to WorkerService to shutdown any
-    // associated SharedWorkers.
+void WebSharedWorkerRepositoryImpl::documentDetached(DocumentID document) {
+  DocumentSet::iterator iter = shared_worker_parents_.find(document);
+  if (iter != shared_worker_parents_.end()) {
+    // Notify the browser process that the document has shut down.
+    RenderThread::current()->Send(new ViewHostMsg_DocumentDetached(document));

[jam, 2009/11/12 20:11:23]

nit: if you make this ChildThread::, this file can be reused in the worker
process if we allow workers to create other workers

+    shared_worker_parents_.erase(iter);
+  }
 }
 
-bool WebSharedWorkerRepositoryImpl::hasSharedWorkers(
-    DocumentID document) {
-    // TODO(atwilson): Update this when we track shared worker creation.
-    return false;
+bool WebSharedWorkerRepositoryImpl::hasSharedWorkers(DocumentID document) {
+  return shared_worker_parents_.find(document) != shared_worker_parents_.end();
 }