1 files changed, 33 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/core/frame/dactyloscoper.h b/chromium/third_party/blink/renderer/core/frame/dactyloscoper.h
new file mode 100644
index 00000000000..d0796ca2753
--- /dev/null
+++ b/chromium/third_party/blink/renderer/core/frame/dactyloscoper.h
@@ -0,0 +1,33 @@
+// Copyright 2018 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 THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_DACTYLOSCOPER_H_
+#define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_DACTYLOSCOPER_H_
+
+#include "third_party/blink/renderer/core/core_export.h"
+#include "third_party/blink/renderer/core/frame/web_feature.h"
+#include "third_party/blink/renderer/platform/wtf/allocator.h"
+#include "third_party/blink/renderer/platform/wtf/forward.h"
+
+namespace blink {
+
+class ExecutionContext;
+
+class CORE_EXPORT Dactyloscoper {
+  DISALLOW_NEW();
+
+ public:
+  Dactyloscoper();
+
+  void Record(WebFeature);
+
+  static void Record(ExecutionContext*, WebFeature);
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(Dactyloscoper);
+};
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_DACTYLOSCOPER_H_