cc: Replace Pass() with std::move() in some subdirs.

cc/layers/painted_scrollbar_layer.cc

Index: cc/layers/painted_scrollbar_layer.cc
diff --git a/cc/layers/painted_scrollbar_layer.cc b/cc/layers/painted_scrollbar_layer.cc
index 8ee3cb75bd148fdac9dcd478e80a4e97d2e86c12..a074850152901b7361bcc77718fe0a37dc710a02 100644
--- a/cc/layers/painted_scrollbar_layer.cc
+++ b/cc/layers/painted_scrollbar_layer.cc
@@ -35,15 +35,15 @@ scoped_refptr<PaintedScrollbarLayer> PaintedScrollbarLayer::Create(
     const LayerSettings& settings,
     scoped_ptr<Scrollbar> scrollbar,
     int scroll_layer_id) {
-  return make_scoped_refptr(
-      new PaintedScrollbarLayer(settings, scrollbar.Pass(), scroll_layer_id));
+  return make_scoped_refptr(new PaintedScrollbarLayer(
+      settings, std::move(scrollbar), scroll_layer_id));
 }
 
 PaintedScrollbarLayer::PaintedScrollbarLayer(const LayerSettings& settings,
                                              scoped_ptr<Scrollbar> scrollbar,
                                              int scroll_layer_id)
     : Layer(settings),
-      scrollbar_(scrollbar.Pass()),
+      scrollbar_(std::move(scrollbar)),
       scroll_layer_id_(scroll_layer_id),
       internal_contents_scale_(1.f),
       thumb_thickness_(scrollbar_->ThumbThickness()),