Change the string representation of Slow2G ECT

net/nqe/effective_connection_type.cc

 // 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.
 
 #include "net/nqe/effective_connection_type.h"
 
 #include "base/logging.h"
 
 namespace {
 
 const char kEffectiveConnectionTypeUnknown[] = "Unknown";
 const char kEffectiveConnectionTypeOffline[] = "Offline";
-const char kEffectiveConnectionTypeSlow2G[] = "Slow2G";
+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) {
     case EFFECTIVE_CONNECTION_TYPE_UNKNOWN:
       return kEffectiveConnectionTypeUnknown;
     case EFFECTIVE_CONNECTION_TYPE_OFFLINE:
       return kEffectiveConnectionTypeOffline;
     case EFFECTIVE_CONNECTION_TYPE_SLOW_2G:
       return kEffectiveConnectionTypeSlow2G;
     case EFFECTIVE_CONNECTION_TYPE_2G:
       return kEffectiveConnectionType2G;
     case EFFECTIVE_CONNECTION_TYPE_3G:
       return kEffectiveConnectionType3G;
     case EFFECTIVE_CONNECTION_TYPE_4G:
       return kEffectiveConnectionType4G;
-    default:
+    case EFFECTIVE_CONNECTION_TYPE_LAST:
       NOTREACHED();
-      break;
+      return "";
   }
+  NOTREACHED();
   return "";
 }
 
 bool GetEffectiveConnectionTypeForName(
     base::StringPiece connection_type_name,
     EffectiveConnectionType* effective_connection_type) {
   if (connection_type_name == kEffectiveConnectionTypeUnknown) {
     *effective_connection_type = EFFECTIVE_CONNECTION_TYPE_UNKNOWN;
     return true;
   }
   if (connection_type_name == kEffectiveConnectionTypeOffline) {
     *effective_connection_type = EFFECTIVE_CONNECTION_TYPE_OFFLINE;
     return true;
   }
   if (connection_type_name == kEffectiveConnectionTypeSlow2G) {
     *effective_connection_type = EFFECTIVE_CONNECTION_TYPE_SLOW_2G;
     return true;
   }
+  // Return EFFECTIVE_CONNECTION_TYPE_SLOW_2G if the deprecated string
+  // representation is in use.
+  if (connection_type_name == kDeprectedEffectiveConnectionTypeSlow2G) {
+    *effective_connection_type = EFFECTIVE_CONNECTION_TYPE_SLOW_2G;
+    return true;
+  }
   if (connection_type_name == kEffectiveConnectionType2G) {
     *effective_connection_type = EFFECTIVE_CONNECTION_TYPE_2G;
     return true;
   }
   if (connection_type_name == kEffectiveConnectionType3G) {
     *effective_connection_type = EFFECTIVE_CONNECTION_TYPE_3G;
     return true;
   }
   if (connection_type_name == kEffectiveConnectionType4G) {
     *effective_connection_type = EFFECTIVE_CONNECTION_TYPE_4G;
     return true;
   }
   *effective_connection_type = EFFECTIVE_CONNECTION_TYPE_UNKNOWN;
   return false;
 }
 
+const char* DeprecatedGetNameForEffectiveConnectionType(
+    EffectiveConnectionType type) {
+  switch (type) {
+    case EFFECTIVE_CONNECTION_TYPE_SLOW_2G:
+      return kDeprectedEffectiveConnectionTypeSlow2G;
+    default:
+      return GetNameForEffectiveConnectionType(type);
+  }
+}
+
 }  // namespace net