Index: net/nqe/effective_connection_type.h |
diff --git a/net/nqe/effective_connection_type.h b/net/nqe/effective_connection_type.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..d98327451be8a6118197d66248a452de40a84dcd |
--- /dev/null |
+++ b/net/nqe/effective_connection_type.h |
@@ -0,0 +1,32 @@ |
+// 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 |
+// different, usually worse, from its expected capabilities. |
mmenke
2016/07/28 19:44:12
grammar nit: different -> differently (It's an ad
tbansal1
2016/07/28 23:58:29
Done.
|
+// 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_ |