Convert Pass()→std::move() in ui/

ui/views/controls/button/blue_button.cc

Index: ui/views/controls/button/blue_button.cc
diff --git a/ui/views/controls/button/blue_button.cc b/ui/views/controls/button/blue_button.cc
index 264e4f6e63238516df11adcbe01e316fb371b091..3740bb11a3604b185bed78a1c0409802445d931c 100644
--- a/ui/views/controls/button/blue_button.cc
+++ b/ui/views/controls/button/blue_button.cc
@@ -4,6 +4,8 @@
 
 #include "ui/views/controls/button/blue_button.h"
 
+#include <utility>
+
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/color_utils.h"
 #include "ui/gfx/geometry/vector2d.h"
@@ -71,7 +73,7 @@ scoped_ptr<LabelButtonBorder> BlueButton::CreateDefaultBorder() const {
       *rb.GetImageSkiaNamed(IDR_BLUE_BUTTON_FOCUSED_PRESSED), insets));
   button_border->SetPainter(true, STATE_DISABLED, Painter::CreateImagePainter(
       *rb.GetImageSkiaNamed(IDR_BLUE_BUTTON_DISABLED), insets));
-  return button_border.Pass();
+  return std::move(button_border);
 }
 
 }  // namespace views