win: Move a few WeakPtrFactories to the end of their containing classes.

chrome/browser/local_discovery/wifi/wifi_manager_nonchromeos.cc

Index: chrome/browser/local_discovery/wifi/wifi_manager_nonchromeos.cc
diff --git a/chrome/browser/local_discovery/wifi/wifi_manager_nonchromeos.cc b/chrome/browser/local_discovery/wifi/wifi_manager_nonchromeos.cc
index 88620d34677505752128a8ee308c859aaf7da983..78d999f9be5ea00c7c25bc226fe01bbd8d1b186c 100644
--- a/chrome/browser/local_discovery/wifi/wifi_manager_nonchromeos.cc
+++ b/chrome/browser/local_discovery/wifi/wifi_manager_nonchromeos.cc
@@ -122,12 +122,12 @@ class WifiManagerNonChromeos::WifiServiceWrapper
 
   scoped_refptr<base::MessageLoopProxy> callback_runner_;
 
-  base::WeakPtrFactory<WifiServiceWrapper> weak_factory_;
-
 #if defined(OS_WIN)
   scoped_refptr<CredentialGetterWin> credential_getter_;
 #endif  // OS_WIN
 
+  base::WeakPtrFactory<WifiServiceWrapper> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(WifiServiceWrapper);
 };