Create TaskAttributionTiming PerformanceEntry for attribution in PerformanceLongTaskTiming. Move cu…

third_party/WebKit/Source/core/timing/TaskAttributionTiming.h

+// Copyright 2017 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 TaskAttributionTiming_h
+#define TaskAttributionTiming_h
+
+#include "core/timing/PerformanceEntry.h"
+#include "platform/heap/Handle.h"
+#include "wtf/Forward.h"
+#include "wtf/text/WTFString.h"
+
+namespace blink {
+
+class TaskAttributionTiming final : public PerformanceEntry {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  static TaskAttributionTiming* create(String type,
+                                       String frameSrc,
+                                       String frameId,
+                                       String frameName) {
+    return new TaskAttributionTiming(type, frameSrc, frameId, frameName);
+  }
+
+  String frameSrc() const;
+  String frameId() const;
+  String frameName() const;
+
+  DECLARE_VIRTUAL_TRACE();
+
+  ~TaskAttributionTiming() override;
+
+ private:
+  TaskAttributionTiming(String type,
+                        String frameSrc,
+                        String frameId,
+                        String frameName);
+
+  String m_frameSrc;
+  String m_frameId;
+  String m_frameName;
+};
+
+}  // namespace blink
+
+#endif  // TaskAttributionTiming_h