[ash-md] Adjusts layout of lists with sticky header rows to match specs

ash/common/system/tray/tray_popup_utils.h

Index: ash/common/system/tray/tray_popup_utils.h
diff --git a/ash/common/system/tray/tray_popup_utils.h b/ash/common/system/tray/tray_popup_utils.h
index f299257ee667063dad8c5dd2eccd8bc11c47e1b8..7a46f68fe517c3806b13f4074742bb0fe205207a 100644
--- a/ash/common/system/tray/tray_popup_utils.h
+++ b/ash/common/system/tray/tray_popup_utils.h
@@ -168,6 +168,11 @@ class TrayPopupUtils {
   // ownership of the returned separator.
   static views::Separator* CreateListItemSeparator(bool left_inset);
 
+  // Creates and returns a horizontal separator line to be drawn between rows
+  // in a detailed view above the header rows. Caller assumes ownership of the

[tdanderson, 2016/11/24 23:37:54]

nit: "above the sub-header rows". I would also prefer the function name to
change to CreateListSubHeaderSeparator(). This makes the naming consistent with
TrayPopupItemStyle::FontStyle::SUB_HEADER that you recently added.

[varkha, 2016/11/28 17:14:39]

Done.

+  // returned separator.
+  static views::Separator* CreateListHeaderSeparator();
+
   // Returns true if it is possible to open WebUI settings in a browser window,
   // i.e., the user is logged in, not on the lock screen, and not in a secondary
   // account flow.