gdata: Make WeakPtrFactory the last parameter

chrome/browser/chromeos/gdata/gdata_file_system.cc

Index: chrome/browser/chromeos/gdata/gdata_file_system.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system.cc b/chrome/browser/chromeos/gdata/gdata_file_system.cc
index f45ae0ac1e73561a345254cc1da86ccb816c1d57..876a13c09d75ea793d4d25b9ed04742fea52b699 100644
--- a/chrome/browser/chromeos/gdata/gdata_file_system.cc
+++ b/chrome/browser/chromeos/gdata/gdata_file_system.cc
@@ -735,9 +735,9 @@ GDataFileSystem::GDataFileSystem(
       webapps_registry_(webapps_registry),
       update_timer_(true /* retain_user_task */, true /* is_repeating */),
       hide_hosted_docs_(false),
+      blocking_task_runner_(blocking_task_runner),
       ui_weak_ptr_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)),
-      ui_weak_ptr_(ui_weak_ptr_factory_.GetWeakPtr()),
-      blocking_task_runner_(blocking_task_runner) {
+      ui_weak_ptr_(ui_weak_ptr_factory_.GetWeakPtr()) {
   // Should be created from the file browser extension API on UI thread.
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }