Refactoring the order of the weak_ptr_factory in chrome/renderer folder

chrome/renderer/printing/print_web_view_helper.h

Index: chrome/renderer/printing/print_web_view_helper.h
diff --git a/chrome/renderer/printing/print_web_view_helper.h b/chrome/renderer/printing/print_web_view_helper.h
index b6b068ae777a5d9ebd38c434ac6f0057e3308f0d..517300b9d94bc28a38866f5690b78bda6ed46239 100644
--- a/chrome/renderer/printing/print_web_view_helper.h
+++ b/chrome/renderer/printing/print_web_view_helper.h
@@ -459,13 +459,15 @@ class PrintWebViewHelper
   PrintPreviewContext print_preview_context_;
   bool is_loading_;
   bool is_scripted_preview_delayed_;
-  base::WeakPtrFactory<PrintWebViewHelper> weak_ptr_factory_;
 
   // Used to fix a race condition where the source is a PDF and print preview
   // hangs because RequestPrintPreview is called before DidStopLoading() is
   // called. This is a store for the RequestPrintPreview() call and its
   // parameters so that it can be invoked after DidStopLoading.
   base::Closure on_stop_loading_closure_;
+
+  base::WeakPtrFactory<PrintWebViewHelper> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper);
 };