Simplify SharedWorkerRepository code (Chromium side)

content/renderer/shared_worker_repository.cc

+// 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.
+
+#include "content/renderer/shared_worker_repository.h"
+
+#include "content/child/child_thread.h"
+#include "content/common/view_messages.h"
+#include "content/renderer/render_view_impl.h"
+#include "content/renderer/websharedworker_proxy.h"
+#include "third_party/WebKit/public/web/WebView.h"
+
+namespace content {
+
+SharedWorkerRepository::SharedWorkerRepository(RenderViewImpl* render_view)
+    : RenderViewObserver(render_view) {
+  render_view->GetWebView()->setSharedWorkerRepositoryClient(this);
+}
+
+SharedWorkerRepository::~SharedWorkerRepository() {}
+
+WebKit::WebSharedWorker* SharedWorkerRepository::createSharedWorker(
+    const WebKit::WebURL& url,
+    const WebKit::WebString& name,
+    DocumentID document_id) {
+  int route_id = MSG_ROUTING_NONE;
+  bool exists = false;
+  bool url_mismatch = false;
+  ViewHostMsg_CreateWorker_Params params;
+  params.url = url;
+  params.name = name;
+  params.document_id = document_id;
+  params.render_view_route_id = render_view()->GetRoutingID();
+  params.route_id = MSG_ROUTING_NONE;
+  params.script_resource_appcache_id = 0;
+  Send(new ViewHostMsg_LookupSharedWorker(
+      params, &exists, &route_id, &url_mismatch));
+  if (url_mismatch)
+    return NULL;
+  documents_with_workers_.insert(document_id);
+  return new WebSharedWorkerProxy(ChildThread::current(),
+                                  document_id,
+                                  exists,
+                                  route_id,
+                                  render_view()->GetRoutingID());
+}
+
+void SharedWorkerRepository::documentDetached(DocumentID document) {
+  std::set<DocumentID>::iterator iter = documents_with_workers_.find(document);
+  if (iter != documents_with_workers_.end()) {
+    // Notify the browser process that the document has shut down.
+    Send(new ViewHostMsg_DocumentDetached(document));
+    documents_with_workers_.erase(iter);
+  }
+}
+
+}  // namespace content