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

chrome/browser/ui/views/toolbar/back_button.cc

Index: chrome/browser/ui/views/toolbar/back_button.cc
diff --git a/chrome/browser/ui/views/toolbar/back_button.cc b/chrome/browser/ui/views/toolbar/back_button.cc
index 05e3bc8545d677bfb1a39a97eba4e0c7c2a2943b..8ba47fd5907e88df4ea67898f5c06df8e44335d9 100644
--- a/chrome/browser/ui/views/toolbar/back_button.cc
+++ b/chrome/browser/ui/views/toolbar/back_button.cc
@@ -27,11 +27,12 @@ void BackButton::SetLeadingMargin(int margin) {
   // Adjust border insets to follow the margin change,
   // which will be reflected in where the border is painted
   // through |GetThemePaintRect|.
-  views::LabelButtonBorder* border = new views::LabelButtonBorder(style());
+  scoped_ptr<views::LabelButtonBorder> border(
+      new views::LabelButtonBorder(style()));
   const gfx::Insets insets(border->GetInsets());
   border->set_insets(gfx::Insets(insets.top(), insets.left() + margin,
                                  insets.bottom(), insets.right()));
-  UpdateThemedBorder(border);
+  UpdateThemedBorder(border.PassAs<views::Border>());
 
   // Similarly fiddle the focus border. Value consistent with LabelButton
   // and TextButton.