[Sync] Rename wifi_sync to sync_wifi.

components/sync_wifi/wifi_security_class.cc

 // Copyright 2015 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 "components/wifi_sync/wifi_security_class.h"
+#include "components/sync_wifi/wifi_security_class.h"
 
 #include "base/logging.h"
 #include "components/onc/onc_constants.h"
 
-namespace wifi_sync {
+namespace sync_wifi {
 
 bool WifiSecurityClassSupportsPassphrases(
     const WifiSecurityClass security_class) {
   switch (security_class) {
     case SECURITY_CLASS_NONE:
       return false;
     case SECURITY_CLASS_WEP:
     case SECURITY_CLASS_PSK:
     case SECURITY_CLASS_802_1X:
       return true;
@@ skipping 58 matching lines @@
       *security_class_string = onc::wifi::kWPA_EAP;
       return true;
     case SECURITY_CLASS_INVALID:
       return false;
   }
   NOTREACHED() << "Invalid WifiSecurityClass enum with value "
                << security_class;
   return false;
 }
 
-}  // namespace wifi_sync
+}  // namespace sync_wifi