views: Make View::set_border() take a scoped_ptr<>.

chrome/browser/ui/libgtk2ui/gtk2_ui.cc

Index: chrome/browser/ui/libgtk2ui/gtk2_ui.cc
diff --git a/chrome/browser/ui/libgtk2ui/gtk2_ui.cc b/chrome/browser/ui/libgtk2ui/gtk2_ui.cc
index 1ae080f809992c9a08f3ecf787232b6124c448cd..78c072e64b03727e653b20f2458d93f58c5f640e 100644
--- a/chrome/browser/ui/libgtk2ui/gtk2_ui.cc
+++ b/chrome/browser/ui/libgtk2ui/gtk2_ui.cc
@@ -527,10 +527,12 @@ gfx::Image Gtk2UI::GetIconForContentType(
   return gfx::Image(image_skia);
 }
 
-views::Border* Gtk2UI::CreateNativeBorder(
+scoped_ptr<views::Border> Gtk2UI::CreateNativeBorder(
     views::CustomButton* owning_button,
-    views::Border* border) {
-  return new Gtk2Border(this, owning_button, border);
+    scoped_ptr<views::Border> border) {
+  return scoped_ptr<views::Border>(new Gtk2Border(this,
+                                                  owning_button,
+                                                  border.Pass()));
 }
 
 void Gtk2UI::AddWindowButtonOrderObserver(