Index: Source/core/timing/PerformanceObserverCallback.h |
diff --git a/Source/core/timing/PerformanceObserverCallback.h b/Source/core/timing/PerformanceObserverCallback.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..f0cc4dd268eb8948ce5d37de91bbb298c55e23fd |
--- /dev/null |
+++ b/Source/core/timing/PerformanceObserverCallback.h |
@@ -0,0 +1,29 @@ |
+// Copyright 2015 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 PerformanceObserverCallback_h |
+#define PerformanceObserverCallback_h |
+ |
+#include "platform/heap/Handle.h" |
+#include "wtf/RefPtr.h" |
+ |
+namespace blink { |
+ |
+class ExecutionContext; |
+class PerformanceObserverEntryList; |
+class PerformanceObserver; |
+ |
+class PerformanceObserverCallback : public GarbageCollectedFinalized<PerformanceObserverCallback> { |
+public: |
+ virtual ~PerformanceObserverCallback() { } |
+ |
+ virtual void handleEvent(PerformanceObserverEntryList*, PerformanceObserver*) = 0; |
+ virtual ExecutionContext* executionContext() const = 0; |
+ |
+ DEFINE_INLINE_VIRTUAL_TRACE() { } |
+}; |
+ |
+} |
+ |
+#endif // PerformanceObserverCallback_h |