Declaring the weak_ptr_factory in proper order in src/components

components/enhanced_bookmarks/enhanced_bookmark_model.h

Index: components/enhanced_bookmarks/enhanced_bookmark_model.h
diff --git a/components/enhanced_bookmarks/enhanced_bookmark_model.h b/components/enhanced_bookmarks/enhanced_bookmark_model.h
index c3729858981e0c5634f3253248683b3e4ef4fb03..2013c23721446b90a279c553709150ab7d0e0753 100644
--- a/components/enhanced_bookmarks/enhanced_bookmark_model.h
+++ b/components/enhanced_bookmarks/enhanced_bookmark_model.h
@@ -187,8 +187,6 @@ class EnhancedBookmarkModel : public KeyedService,
 
   ObserverList<EnhancedBookmarkModelObserver> observers_;
 
-  base::WeakPtrFactory<EnhancedBookmarkModel> weak_ptr_factory_;
-
   IdToNodeMap id_map_;
   NodeToIdMap nodes_to_reset_;
 
@@ -197,6 +195,8 @@ class EnhancedBookmarkModel : public KeyedService,
 
   std::string version_;
   std::string version_suffix_;
+
+  base::WeakPtrFactory<EnhancedBookmarkModel> weak_ptr_factory_;
 };
 
 }  // namespace enhanced_bookmarks