Make panels not show on top when there is an app running in full screen mode.

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 5bcab6c969788442fbc6d0a98affc2d27d6fea95..019befd1e1a0261f2c94c7dafd14416d8cd116d6 100644
--- a/chrome/browser/ui/panels/panel.cc
+++ b/chrome/browser/ui/panels/panel.cc
@@ -174,6 +174,10 @@ bool Panel::IsDrawingAttention() const {
   return native_panel_->IsDrawingAttention();
 }
 
+void Panel::FullScreenModeChanged(bool is_full_screen_mode_on) {
+  native_panel_->FullScreenModeChanged(is_full_screen_mode_on);
+}
+
 void Panel::Show() {
   native_panel_->ShowPanel();
 }