Framework and tests for WorkerNavigatorBudget

third_party/WebKit/Source/modules/budget/WorkerNavigatorBudget.h

+// Copyright 2016 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 WorkerNavigatorBudget_h
+#define WorkerNavigatorBudget_h
+
+#include "platform/Supplementable.h"
+#include "platform/heap/GarbageCollected.h"
+#include "wtf/Noncopyable.h"
+
+namespace blink {
+
+class BudgetService;
+class WorkerNavigator;
+
+// This exposes the budget object on the WorkerNavigator partial interface.
+class WorkerNavigatorBudget final : public GarbageCollected<WorkerNavigatorBudget>, public Supplement<WorkerNavigator> {
+    USING_GARBAGE_COLLECTED_MIXIN(WorkerNavigatorBudget);
+    WTF_MAKE_NONCOPYABLE(WorkerNavigatorBudget);
+
+public:
+    static WorkerNavigatorBudget& from(WorkerNavigator&);
+
+    static BudgetService* budget(WorkerNavigator&);
+    BudgetService* budget();
+
+    DECLARE_VIRTUAL_TRACE();
+
+private:
+    WorkerNavigatorBudget();
+    static const char* supplementName();
+
+    Member<BudgetService> m_budget;
+};
+
+} // namespace blink
+
+#endif // WorkerNavigatorBudget_h