Replace scoped_ptr with std::unique_ptr in //ui

ui/views/controls/button/label_button_border.h

Index: ui/views/controls/button/label_button_border.h
diff --git a/ui/views/controls/button/label_button_border.h b/ui/views/controls/button/label_button_border.h
index 48b33524a9270f9c224f24dd30a6996b00945fd1..fabbde5e60e4fde0a3996f93898df23608fbeba0 100644
--- a/ui/views/controls/button/label_button_border.h
+++ b/ui/views/controls/button/label_button_border.h
@@ -5,9 +5,10 @@
 #ifndef UI_VIEWS_CONTROLS_BUTTON_LABEL_BUTTON_BORDER_H_
 #define UI_VIEWS_CONTROLS_BUTTON_LABEL_BUTTON_BORDER_H_
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/views/border.h"
 #include "ui/views/controls/button/button.h"
@@ -61,7 +62,7 @@ class VIEWS_EXPORT LabelButtonAssetBorder : public LabelButtonBorder {
 
  private:
   // The painters used for each unfocused or focused button state.
-  scoped_ptr<Painter> painters_[2][Button::STATE_COUNT];
+  std::unique_ptr<Painter> painters_[2][Button::STATE_COUNT];
 
   DISALLOW_COPY_AND_ASSIGN(LabelButtonAssetBorder);
 };