Fix the appearance of Views BlueButtons with GTK theming.

ui/views/controls/button/label_button.cc

Index: ui/views/controls/button/label_button.cc
diff --git a/ui/views/controls/button/label_button.cc b/ui/views/controls/button/label_button.cc
index 9dd1ba94979dc1c2f7bfb7714cad9fd4101869f7..2adef130a6947b7fb3f756db9765c2b97cacf5c1 100644
--- a/ui/views/controls/button/label_button.cc
+++ b/ui/views/controls/button/label_button.cc
@@ -360,19 +360,14 @@ void LabelButton::UpdateThemedBorder() {
   if (!border_is_themed_border_)
     return;
 
-  scoped_ptr<LabelButtonBorder> label_button_border = CreateDefaultBorder();
-
+  scoped_ptr<Border> border = CreateDefaultBorder().PassAs<Border>();
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
   views::LinuxUI* linux_ui = views::LinuxUI::instance();
-  if (linux_ui) {
-    SetBorder(linux_ui->CreateNativeBorder(
-        this, label_button_border.PassAs<Border>()));
-  } else
+  if (linux_ui)
+    border = linux_ui->CreateNativeBorder(this, border.Pass());
 #endif
-  {
-    SetBorder(label_button_border.PassAs<Border>());
-  }
 
+  SetBorder(border.Pass());
   border_is_themed_border_ = true;
 }