Refactoring the order of the weak_ptr_factory in chrome/renderer folder

chrome/renderer/extensions/cast_streaming_native_handler.h

Index: chrome/renderer/extensions/cast_streaming_native_handler.h
diff --git a/chrome/renderer/extensions/cast_streaming_native_handler.h b/chrome/renderer/extensions/cast_streaming_native_handler.h
index ee0626d62a6a4566e40f0d2d95b64068c0a31f2d..92e76a107339e7c486d4aabda31d5fa94413af49 100644
--- a/chrome/renderer/extensions/cast_streaming_native_handler.h
+++ b/chrome/renderer/extensions/cast_streaming_native_handler.h
@@ -85,8 +85,6 @@ class CastStreamingNativeHandler : public ObjectBackedNativeHandler {
   typedef std::map<int, linked_ptr<CastUdpTransport> > UdpTransportMap;
   UdpTransportMap udp_transport_map_;
 
-  base::WeakPtrFactory<CastStreamingNativeHandler> weak_factory_;
-
   extensions::ScopedPersistent<v8::Function> create_callback_;
 
   typedef std::map<int,
@@ -95,6 +93,8 @@ class CastStreamingNativeHandler : public ObjectBackedNativeHandler {
   RtpStreamCallbackMap get_raw_events_callbacks_;
   RtpStreamCallbackMap get_stats_callbacks_;
 
+  base::WeakPtrFactory<CastStreamingNativeHandler> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(CastStreamingNativeHandler);
 };