Another branch build fix

[email protected]
BUG=555741

Review URL: https://codereview.chromium.org/1451583002

Cr-Commit-Position: refs/heads/master@{#359786}
(cherry picked from commit 4fb8840)

Review URL: https://codereview.chromium.org/1448783002 .

Cr-Commit-Position: refs/branch-heads/2564@{crosswalk-project#7}
Cr-Branched-From: 1283eca-refs/heads/master@{#359700}

Author: Tina Zhou

mojo/shell/application_manager_apptest_driver.cc

@@ -118,9 +118,9 @@ 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);
 };