Add UMA metrics for root scroller intervention to track forcing passive breakage.

third_party/WebKit/Source/core/events/AddEventListenerOptionsResolved.h

Index: third_party/WebKit/Source/core/events/AddEventListenerOptionsResolved.h
diff --git a/third_party/WebKit/Source/core/events/AddEventListenerOptionsResolved.h b/third_party/WebKit/Source/core/events/AddEventListenerOptionsResolved.h
new file mode 100644
index 0000000000000000000000000000000000000000..0b357b26dc300670cd28634bacafd40621059e37
--- /dev/null
+++ b/third_party/WebKit/Source/core/events/AddEventListenerOptionsResolved.h
@@ -0,0 +1,35 @@
+// 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.
+
+#ifndef AddEventListenerOptionsResolved_h
+#define AddEventListenerOptionsResolved_h
+
+#include "core/events/AddEventListenerOptions.h"
+
+namespace blink {
+
+// AddEventListenerOptionsResolved class represents resolved event listener
+// options. An application requests AddEventListenerOptions and the user
+// agent may change ('resolve') these settings (based on settings or policies)
+// and the result and the reasons why changes occurred are stored in this class.
+class CORE_EXPORT AddEventListenerOptionsResolved : public AddEventListenerOptions {
+    DISALLOW_NEW_EXCEPT_PLACEMENT_NEW();
+
+public:
+    AddEventListenerOptionsResolved();
+    AddEventListenerOptionsResolved(const AddEventListenerOptions&);
+    virtual ~AddEventListenerOptionsResolved();
+
+    void setPassiveForcedForDocumentTarget(bool forced) { m_passiveForcedForDocumentTarget = forced; }
+    bool passiveForcedForDocumentTarget() const { return m_passiveForcedForDocumentTarget; }
+
+    DECLARE_VIRTUAL_TRACE();
+
+private:
+    bool m_passiveForcedForDocumentTarget;
+};
+
+} // namespace blink
+
+#endif // AddEventListenerOptionsResolved_h