Another branch build fix

mojo/shell/application_manager_apptest_driver.cc

Index: mojo/shell/application_manager_apptest_driver.cc
diff --git a/mojo/shell/application_manager_apptest_driver.cc b/mojo/shell/application_manager_apptest_driver.cc
index f77a23d6710beb154aefb406c3bbe3c40bc965b4..51766ccb6ea585632ee330e80255cc3cccd6583e 100644
--- a/mojo/shell/application_manager_apptest_driver.cc
+++ b/mojo/shell/application_manager_apptest_driver.cc
@@ -117,9 +117,9 @@ class TargetApplicationDelegate : public mojo::ApplicationDelegate,
   void DidCreateChannel(mojo::embedder::ChannelInfo* channel_info) {}
 
   mojo::ApplicationImpl* app_;
-  base::WeakPtrFactory<TargetApplicationDelegate> weak_factory_;
   base::Process target_;
   mojo::WeakBindingSet<Driver> bindings_;
+  base::WeakPtrFactory<TargetApplicationDelegate> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TargetApplicationDelegate);
 };