Misc. cleanup, primarily removing unused locals.

components/wifi/wifi_service_win.cc

 // Copyright 2013 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/wifi_service.h"
 
 #include <iphlpapi.h>
 #include <objbase.h>
 #include <wlanapi.h>
 
@@ skipping 1690 matching lines @@
                                         shared ? 0 : WLAN_PROFILE_USER,
                                         profile_xml16.c_str(),
                                         NULL,
                                         overwrite,
                                         NULL,
                                         &reason_code);
   return error_code;
 }
 
 bool WiFiServiceImpl::HaveProfile(const std::string& network_guid) {
-  DWORD error = ERROR_SUCCESS;
   std::string profile_xml;
   return GetProfile(network_guid, false, &profile_xml) == ERROR_SUCCESS;
 }
 
 
 DWORD WiFiServiceImpl::DeleteCreatedProfile(const std::string& network_guid) {
   base::DictionaryValue* created_profile = NULL;
   DWORD error_code = ERROR_SUCCESS;
   // Check, whether this connection is using new created profile, and remove it.
   if (created_profiles_.GetDictionaryWithoutPathExpansion(
@@ skipping 119 matching lines @@
     NetworkGuidList changed_networks(1, network_guid);
     message_loop_proxy_->PostTask(
         FROM_HERE,
         base::Bind(networks_changed_observer_, changed_networks));
   }
 }
 
 WiFiService* WiFiService::Create() { return new WiFiServiceImpl(); }
 
 }  // namespace wifi