Add flag to override Effective Connection Type

net/nqe/effective_connection_type.cc

Index: net/nqe/effective_connection_type.cc
diff --git a/net/nqe/effective_connection_type.cc b/net/nqe/effective_connection_type.cc
index 5fb2a6e34069936b1bf5d4996b9f44f42f6c19c9..b0f61a699ecbb4e653a1a97a233a434213304bab 100644
--- a/net/nqe/effective_connection_type.cc
+++ b/net/nqe/effective_connection_type.cc
@@ -8,17 +8,18 @@
 
 namespace {
 
+const char kDeprectedEffectiveConnectionTypeSlow2G[] = "Slow2G";
+
+}  // namespace
+
+namespace net {
+
 const char kEffectiveConnectionTypeUnknown[] = "Unknown";
 const char kEffectiveConnectionTypeOffline[] = "Offline";
 const char kEffectiveConnectionTypeSlow2G[] = "Slow-2G";
 const char kEffectiveConnectionType2G[] = "2G";
 const char kEffectiveConnectionType3G[] = "3G";
 const char kEffectiveConnectionType4G[] = "4G";
-const char kDeprectedEffectiveConnectionTypeSlow2G[] = "Slow2G";
-
-}  // namespace
-
-namespace net {
 
 const char* GetNameForEffectiveConnectionType(EffectiveConnectionType type) {
   switch (type) {