Reporting: Set up in ProfileImplIOData.

net/reporting/reporting_feature.h

Index: net/reporting/reporting_feature.h
diff --git a/net/reporting/reporting_feature.h b/net/reporting/reporting_feature.h
new file mode 100644
index 0000000000000000000000000000000000000000..eae3cfb77d849799b4708bbd88be2af45485526d
--- /dev/null
+++ b/net/reporting/reporting_feature.h
@@ -0,0 +1,17 @@
+// 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 NET_REPORTING_REPORTING_FEATURE_H_
+#define NET_REPORTING_REPORTING_FEATURE_H_
+
+#include "base/feature_list.h"
+#include "net/base/net_export.h"
+
+namespace features {
+
+extern const base::Feature NET_EXPORT kReporting;
+
+}  // namespace features
+
+#endif