Convert //ash from scoped_ptr to std::unique_ptr

ash/system/chromeos/network/network_state_list_detailed_view.h

Index: ash/system/chromeos/network/network_state_list_detailed_view.h
diff --git a/ash/system/chromeos/network/network_state_list_detailed_view.h b/ash/system/chromeos/network/network_state_list_detailed_view.h
index 297b1aace6c0fb0b68cd23a6c5c8460b81e39b0b..3e714d380efba3e39f0eeaf74124e9ac5b4afbd9 100644
--- a/ash/system/chromeos/network/network_state_list_detailed_view.h
+++ b/ash/system/chromeos/network/network_state_list_detailed_view.h
@@ -5,13 +5,13 @@
 #ifndef ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_STATE_LIST_DETAILED_VIEW_H_
 #define ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_STATE_LIST_DETAILED_VIEW_H_
 
+#include <memory>
 #include <string>
 
 #include "ash/system/chromeos/network/network_detailed_view.h"
 #include "ash/system/tray/view_click_listener.h"
 #include "ash/system/user/login_status.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "ui/chromeos/network/network_list_delegate.h"
 #include "ui/gfx/image/image.h"
@@ -140,7 +140,7 @@ class NetworkStateListDetailedView
 
   gfx::Image controlled_by_extension_icon_;
 
-  scoped_ptr<ui::NetworkListViewBase> network_list_view_;
+  std::unique_ptr<ui::NetworkListViewBase> network_list_view_;
 
   DISALLOW_COPY_AND_ASSIGN(NetworkStateListDetailedView);
 };