Index: third_party/WebKit/Source/modules/budget/NavigatorBudget.cpp |
diff --git a/third_party/WebKit/Source/modules/budget/NavigatorBudget.cpp b/third_party/WebKit/Source/modules/budget/NavigatorBudget.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a7f36bd4e44463adbcdc8c6e382f2e1e39033442 |
--- /dev/null |
+++ b/third_party/WebKit/Source/modules/budget/NavigatorBudget.cpp |
@@ -0,0 +1,54 @@ |
+// 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. |
+ |
+#include "modules/budget/NavigatorBudget.h" |
+ |
+#include "core/frame/Navigator.h" |
+#include "modules/budget/Budget.h" |
+ |
+namespace blink { |
+ |
+NavigatorBudget::NavigatorBudget() |
+{ |
+} |
+ |
+// static |
+const char* NavigatorBudget::supplementName() |
+{ |
+ return "NavigatorBudget"; |
+} |
+ |
+// static |
+NavigatorBudget& NavigatorBudget::from(Navigator& navigator) |
+{ |
+ // Get the unique NavigatorBudget associated with this navigator. |
+ NavigatorBudget* navigatorBudget = static_cast<NavigatorBudget*>(Supplement<Navigator>::from(navigator, supplementName())); |
+ if (!navigatorBudget) { |
+ // If there isn't one already, create it now and associate it. |
+ navigatorBudget = new NavigatorBudget(); |
+ Supplement<Navigator>::provideTo(navigator, supplementName(), navigatorBudget); |
+ } |
+ return *navigatorBudget; |
+} |
+ |
+Budget* NavigatorBudget::budget() |
+{ |
+ if (!m_budget) |
+ m_budget = Budget::create(); |
haraken
2016/08/08 01:48:13
Is there any benefit in instantiating m_budget laz
harkness
2016/08/08 12:07:36
The Budget object is going to be a fairly heavy-we
|
+ return m_budget.get(); |
+} |
+ |
+// static |
+Budget* NavigatorBudget::budget(Navigator& navigator) |
+{ |
+ return NavigatorBudget::from(navigator).budget(); |
+} |
+ |
+DEFINE_TRACE(NavigatorBudget) |
+{ |
+ visitor->trace(m_budget); |
+ Supplement<Navigator>::trace(visitor); |
+} |
+ |
+} // namespace blink |