Realigning the WeakPtrFactory initialization order in chrome/ui folder

chrome/browser/ui/ash/system_tray_delegate_chromeos.cc

Index: chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
diff --git a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
index 1696b14f8ffc87853098d42969eea291e7ecdad9..4445d3ec1b98f5948f2719f78f87a00660c03fc7 100644
--- a/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
+++ b/chrome/browser/ui/ash/system_tray_delegate_chromeos.cc
@@ -185,8 +185,7 @@ void OnAcceptMultiprofilesIntro(bool no_show_again) {
 }  // namespace
 
 SystemTrayDelegateChromeOS::SystemTrayDelegateChromeOS()
-    : weak_ptr_factory_(this),
-      user_profile_(NULL),
+    : user_profile_(NULL),
       clock_type_(base::GetHourClockType()),
       search_key_mapped_to_(input_method::kSearchKey),
       screen_locked_(false),
@@ -197,7 +196,8 @@ SystemTrayDelegateChromeOS::SystemTrayDelegateChromeOS()
       device_settings_observer_(CrosSettings::Get()->AddSettingsObserver(
           kSystemUse24HourClock,
           base::Bind(&SystemTrayDelegateChromeOS::UpdateClockType,
-                     base::Unretained(this)))) {
+                     base::Unretained(this)))),
+      weak_ptr_factory_(this) {
   // Register notifications on construction so that events such as
   // PROFILE_CREATED do not get missed if they happen before Initialize().
   registrar_.reset(new content::NotificationRegistrar);