NQE: Move ECT to net:: namespace

net/nqe/effective_connection_type.h

+// 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 NET_NQE_EFFECTIVE_CONNECTION_TYPE_H_
+#define NET_NQE_EFFECTIVE_CONNECTION_TYPE_H_
+
+namespace net {
+
+// EffectiveConnectionType is the connection type whose typical performance is
+// most similar to the measured performance of the network in use. In many
+// cases, the "effective" connection type and the actual type of connection in
+// use are the same, but often a network connection performs significantly
+// differently, usually worse, from its expected capabilities.
+// EffectiveConnectionType of a network is independent of if the current
+// connection is metered or not. For example, an unmetered slow connection may
+// have EFFECTIVE_CONNECTION_TYPE_SLOW_2G as its effective connection type.
+enum EffectiveConnectionType {
+  // The connection types should be in increasing order of quality.
+  EFFECTIVE_CONNECTION_TYPE_UNKNOWN = 0,
+  EFFECTIVE_CONNECTION_TYPE_OFFLINE,
+  EFFECTIVE_CONNECTION_TYPE_SLOW_2G,
+  EFFECTIVE_CONNECTION_TYPE_2G,
+  EFFECTIVE_CONNECTION_TYPE_3G,
+  EFFECTIVE_CONNECTION_TYPE_4G,
+  EFFECTIVE_CONNECTION_TYPE_BROADBAND,
+  EFFECTIVE_CONNECTION_TYPE_LAST,
+};
+
+}  // namespace net
+
+#endif  // NET_NQE_EFFECTIVE_CONNECTION_TYPE_H_