Add always-on-top property to app windows

chrome/browser/ui/panels/panel.cc

Index: chrome/browser/ui/panels/panel.cc
diff --git a/chrome/browser/ui/panels/panel.cc b/chrome/browser/ui/panels/panel.cc
index 2b21bc73f4f2b5bdb2e9d6190b7557d6ec4e2d37..bef02b1c1da320104ec9fdba1925a67d9111f752 100644
--- a/chrome/browser/ui/panels/panel.cc
+++ b/chrome/browser/ui/panels/panel.cc
@@ -350,6 +350,10 @@ bool Panel::IsAlwaysOnTop() const {
   return native_panel_->IsPanelAlwaysOnTop();
 }
 
+void Panel::SetAlwaysOnTop(bool on_top) {
+  native_panel_->SetPanelAlwaysOnTop(on_top);
+}
+
 void Panel::ExecuteCommandWithDisposition(int id,
                                           WindowOpenDisposition disposition) {
   DCHECK(command_updater_.IsCommandEnabled(id)) << "Invalid/disabled command "
@@ -658,10 +662,6 @@ void Panel::HandleKeyboardEvent(const content::NativeWebKeyboardEvent& event) {
   native_panel_->HandlePanelKeyboardEvent(event);
 }
 
-void Panel::SetAlwaysOnTop(bool on_top) {
-  native_panel_->SetPanelAlwaysOnTop(on_top);
-}
-
 void Panel::SetPreviewMode(bool in_preview) {
   DCHECK_NE(in_preview_mode_, in_preview);
   in_preview_mode_ = in_preview;