Refactoring the weak_ptr_factory order in src/content/child

content/child/threaded_data_provider.h

Index: content/child/threaded_data_provider.h
diff --git a/content/child/threaded_data_provider.h b/content/child/threaded_data_provider.h
index 55ae060eaa93c4d09f9b77f881cacb3be3ceb98e..27e6d6062e78ca76a6e0d32109cf3317baf065a9 100644
--- a/content/child/threaded_data_provider.h
+++ b/content/child/threaded_data_provider.h
@@ -56,8 +56,6 @@ class ThreadedDataProvider {
   int shm_size_;
   scoped_ptr<base::WeakPtrFactory<ThreadedDataProvider> >
       background_thread_weak_factory_;
-  base::WeakPtrFactory<ThreadedDataProvider>
-      main_thread_weak_factory_;
   WebThreadImpl& background_thread_;
   IPC::SyncChannel* ipc_channel_;
   blink::WebThreadedDataReceiver* threaded_data_receiver_;
@@ -70,6 +68,9 @@ class ThreadedDataProvider {
   };
   std::vector<QueuedSharedMemoryData> queued_data_;
 
+  base::WeakPtrFactory<ThreadedDataProvider>
+      main_thread_weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(ThreadedDataProvider);
 };