Show media router toolbar icon ephemerally for active local routes and issues

chrome/browser/ui/toolbar/media_router_contextual_menu.h

Index: chrome/browser/ui/toolbar/media_router_contextual_menu.h
diff --git a/chrome/browser/ui/toolbar/media_router_contextual_menu.h b/chrome/browser/ui/toolbar/media_router_contextual_menu.h
index 1fdb949c495505b575e648dd3f8501d494bc1348..0f07b34cada52b64bd828f6df62ef545bc990aea 100644
--- a/chrome/browser/ui/toolbar/media_router_contextual_menu.h
+++ b/chrome/browser/ui/toolbar/media_router_contextual_menu.h
@@ -10,11 +10,12 @@
 #include "ui/base/models/simple_menu_model.h"
 
 class Browser;
+class MediaRouterAction;
 
 // The class for the contextual menu for the Media Router action.
 class MediaRouterContextualMenu : public ui::SimpleMenuModel::Delegate {
  public:
-  explicit MediaRouterContextualMenu(Browser* browser);
+  MediaRouterContextualMenu(Browser* browser, MediaRouterAction* action);
   ~MediaRouterContextualMenu() override;
 
   ui::MenuModel* menu_model() { return &menu_model_; }
@@ -32,10 +33,10 @@ class MediaRouterContextualMenu : public ui::SimpleMenuModel::Delegate {
   void ExecuteCommand(int command_id, int event_flags) override;
 
   void ReportIssue();
-  void RemoveMediaRouterComponentAction();
 
   Browser* browser_;
   ui::SimpleMenuModel menu_model_;
+  MediaRouterAction* action_;
 
   DISALLOW_COPY_AND_ASSIGN(MediaRouterContextualMenu);
 };