Declaring the weak_ptr_factory in proper order.

chrome/browser/chromeos/login/existing_user_controller.h

Index: chrome/browser/chromeos/login/existing_user_controller.h
diff --git a/chrome/browser/chromeos/login/existing_user_controller.h b/chrome/browser/chromeos/login/existing_user_controller.h
index 0ce80fe315ad90959cc80abab1da4d0444358378..6fedb17f952bc57aa172aae53104f2c90e616491 100644
--- a/chrome/browser/chromeos/login/existing_user_controller.h
+++ b/chrome/browser/chromeos/login/existing_user_controller.h
@@ -277,9 +277,6 @@ class ExistingUserController : public LoginDisplay::Delegate,
   // Used for notifications during the login process.
   content::NotificationRegistrar registrar_;
 
-  // Factory of callbacks.
-  base::WeakPtrFactory<ExistingUserController> weak_factory_;
-
   // The displayed email for the next login attempt set by |SetDisplayEmail|.
   std::string display_email_;
 
@@ -335,6 +332,9 @@ class ExistingUserController : public LoginDisplay::Delegate,
 
   FRIEND_TEST_ALL_PREFIXES(ExistingUserControllerTest, ExistingUserLogin);
 
+  // Factory of callbacks.
+  base::WeakPtrFactory<ExistingUserController> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(ExistingUserController);
 };