Adds WebWorker support to NetInfo v3.

Source/modules/netinfo/WorkerNavigatorNetworkInfoConnection.cpp

+// Copyright 2014 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 "config.h"
+#include "modules/netinfo/WorkerNavigatorNetworkInfoConnection.h"
+
+#include "core/frame/Navigator.h"
+#include "core/workers/WorkerNavigator.h"
+#include "modules/netinfo/NetworkInfoConnection.h"
+
+namespace WebCore {
+
+WorkerNavigatorNetworkInfoConnection::WorkerNavigatorNetworkInfoConnection(WorkerNavigator& navigator, ExecutionContext* context)
+{
+}
+
+WorkerNavigatorNetworkInfoConnection::~WorkerNavigatorNetworkInfoConnection()
+{
+}
+
+WorkerNavigatorNetworkInfoConnection& WorkerNavigatorNetworkInfoConnection::from(WorkerNavigator& navigator, ExecutionContext* context)
+{
+    WorkerNavigatorNetworkInfoConnection* supplement = toWorkerNavigatorNetworkInfoConnection(navigator, context);
+    if (!supplement) {
+        supplement = new WorkerNavigatorNetworkInfoConnection(navigator, context);
+        provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
+    }
+    return *supplement;
+}
+
+WorkerNavigatorNetworkInfoConnection* WorkerNavigatorNetworkInfoConnection::toWorkerNavigatorNetworkInfoConnection(WorkerNavigator& navigator, ExecutionContext* context)
+{
+    return static_cast<WorkerNavigatorNetworkInfoConnection*>(WillBeHeapSupplement<WorkerNavigator>::from(navigator, supplementName()));
+}
+
+const char* WorkerNavigatorNetworkInfoConnection::supplementName()
+{
+    return "WorkerNavigatorNetworkInfoConnection";
+}
+
+NetworkInfoConnection* WorkerNavigatorNetworkInfoConnection::connection(ExecutionContext* context, WorkerNavigator& navigator)
+{
+    return WorkerNavigatorNetworkInfoConnection::from(navigator, context).connection(context);
+}
+
+void WorkerNavigatorNetworkInfoConnection::trace(Visitor* visitor)
+{
+    visitor->trace(m_connection);
+}
+
+NetworkInfoConnection* WorkerNavigatorNetworkInfoConnection::connection(ExecutionContext* context)
+{
+    if (!m_connection && context)

[haraken, 2014/05/27 22:54:57]

I think |context| shouldn't be 0. You can add ASSERT(context) instead.

[jkarlin, 2014/05/29 13:13:49]

Done.

+        m_connection = NetworkInfoConnection::create(context);
+    return m_connection.get();
+}
+
+} // namespace WebCore