[Media Router Action] Hide action back in the overflow menu after popping it out

chrome/browser/ui/toolbar/toolbar_actions_bar.cc

Index: chrome/browser/ui/toolbar/toolbar_actions_bar.cc
diff --git a/chrome/browser/ui/toolbar/toolbar_actions_bar.cc b/chrome/browser/ui/toolbar/toolbar_actions_bar.cc
index 72f85cc804889a821b1695b5c2608ed721da1e22..d8bde41fb4006ca93cd02ff870600e905410ecff 100644
--- a/chrome/browser/ui/toolbar/toolbar_actions_bar.cc
+++ b/chrome/browser/ui/toolbar/toolbar_actions_bar.cc
@@ -604,6 +604,10 @@ void ToolbarActionsBar::MaybeShowExtensionBubble() {
           g_extension_bubble_appearance_wait_time_in_seconds));
 }
 
+ToolbarActionViewController* ToolbarActionsBar::popped_out_action() {
+  return popped_out_action_;
+}
+
 // static
 void ToolbarActionsBar::set_extension_bubble_appearance_wait_time_for_testing(
     int time_in_seconds) {