Add origin() method on View and use it to simplify some callers.

ui/message_center/views/message_list_view.cc

Index: ui/message_center/views/message_list_view.cc
diff --git a/ui/message_center/views/message_list_view.cc b/ui/message_center/views/message_list_view.cc
index f9ef2735240d38eeac658546893134b0c4a9b623..0c0d6bf4ef59de0c537d690b312c0e09fa468f96 100644
--- a/ui/message_center/views/message_list_view.cc
+++ b/ui/message_center/views/message_list_view.cc
@@ -448,7 +448,7 @@ bool MessageListView::AnimateChild(views::View* child,
     return false;
   } else {
     gfx::Rect target(child_area.x(), top, child_area.width(), height);
-    if (child->bounds().origin() != target.origin() && animate_on_move)
+    if (child->origin() != target.origin() && animate_on_move)
       animator_.AnimateViewTo(child, target);
     else
       child->SetBoundsRect(target);