Declaring the weak_ptr_factory in proper order in src/components

components/enhanced_bookmarks/enhanced_bookmark_model.cc

Index: components/enhanced_bookmarks/enhanced_bookmark_model.cc
diff --git a/components/enhanced_bookmarks/enhanced_bookmark_model.cc b/components/enhanced_bookmarks/enhanced_bookmark_model.cc
index 6ffcaf392035cd2101e9fbbf356985a9464c6630..df5f9729c7b69f1056583652d16c173d8cd823a3 100644
--- a/components/enhanced_bookmarks/enhanced_bookmark_model.cc
+++ b/components/enhanced_bookmarks/enhanced_bookmark_model.cc
@@ -81,8 +81,8 @@ EnhancedBookmarkModel::EnhancedBookmarkModel(BookmarkModel* bookmark_model,
                                              const std::string& version)
     : bookmark_model_(bookmark_model),
       loaded_(false),
-      weak_ptr_factory_(this),
-      version_(version) {
+      version_(version),
+      weak_ptr_factory_(this) {
   bookmark_model_->AddObserver(this);
   if (bookmark_model_->loaded()) {
     InitializeIdMap();