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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "modules/budget/WorkerNavigatorBudget.h" |
| 6 |
| 7 #include "core/workers/WorkerNavigator.h" |
| 8 #include "modules/budget/BudgetService.h" |
| 9 |
| 10 namespace blink { |
| 11 |
| 12 WorkerNavigatorBudget::WorkerNavigatorBudget() |
| 13 { |
| 14 } |
| 15 |
| 16 // static |
| 17 const char* WorkerNavigatorBudget::supplementName() |
| 18 { |
| 19 return "WorkerNavigatorBudget"; |
| 20 } |
| 21 |
| 22 // static |
| 23 WorkerNavigatorBudget& WorkerNavigatorBudget::from(WorkerNavigator& workerNaviga
tor) |
| 24 { |
| 25 // Get the unique WorkerNavigatorBudget associated with this workerNavigator
. |
| 26 WorkerNavigatorBudget* workerNavigatorBudget = static_cast<WorkerNavigatorBu
dget*>(Supplement<WorkerNavigator>::from(workerNavigator, supplementName())); |
| 27 if (!workerNavigatorBudget) { |
| 28 // If there isn't one already, create it now and associate it. |
| 29 workerNavigatorBudget = new WorkerNavigatorBudget(); |
| 30 Supplement<WorkerNavigator>::provideTo(workerNavigator, supplementName()
, workerNavigatorBudget); |
| 31 } |
| 32 return *workerNavigatorBudget; |
| 33 } |
| 34 |
| 35 BudgetService* WorkerNavigatorBudget::budget() |
| 36 { |
| 37 if (!m_budget) |
| 38 m_budget = BudgetService::create(); |
| 39 return m_budget.get(); |
| 40 } |
| 41 |
| 42 // static |
| 43 BudgetService* WorkerNavigatorBudget::budget(WorkerNavigator& workerNavigator) |
| 44 { |
| 45 return WorkerNavigatorBudget::from(workerNavigator).budget(); |
| 46 } |
| 47 |
| 48 DEFINE_TRACE(WorkerNavigatorBudget) |
| 49 { |
| 50 visitor->trace(m_budget); |
| 51 Supplement<WorkerNavigator>::trace(visitor); |
| 52 } |
| 53 |
| 54 } // namespace blink |
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