Add shadow/corner radius to notifications (toasts and in-center).

ui/message_center/views/toast_contents_view.h

Index: ui/message_center/views/toast_contents_view.h
diff --git a/ui/message_center/views/toast_contents_view.h b/ui/message_center/views/toast_contents_view.h
index 9af7185b5014f4378fb55fa4bc1a0fa6858981ff..f7d0cc21124b8bba30a6543d367506568e9f6ec6 100644
--- a/ui/message_center/views/toast_contents_view.h
+++ b/ui/message_center/views/toast_contents_view.h
@@ -117,10 +117,9 @@ class ToastContentsView : public views::WidgetDelegateView,
   // Immediately moves the toast without any sort of delay or animation.
   void SetBoundsInstantly(gfx::Rect new_bounds);
 
-  // Given the bounds of a toast on the screen, compute the bouds for that
+  // Given the bounds of a toast on the screen, compute the bounds for that
   // toast in 'closed' node_data. The 'closed' node_data is used as
-  // origin/destination
-  // in reveal/closing animations.
+  // origin/destination in reveal/closing animations.
   gfx::Rect GetClosedToastBounds(gfx::Rect bounds);
 
   void StartFadeIn();