Fix BrowserActionsBarBrowserTest.OverflowedBrowserActionPopupTestRemoval in ASan with new libc++.

chrome/browser/ui/views/toolbar/browser_actions_container.cc

Index: chrome/browser/ui/views/toolbar/browser_actions_container.cc
diff --git a/chrome/browser/ui/views/toolbar/browser_actions_container.cc b/chrome/browser/ui/views/toolbar/browser_actions_container.cc
index f2f57fde20840666b257fb63c01a9f71803c124d..4a1554677805de3dc6f4eca7bbaa148676661f9c 100644
--- a/chrome/browser/ui/views/toolbar/browser_actions_container.cc
+++ b/chrome/browser/ui/views/toolbar/browser_actions_container.cc
@@ -171,6 +171,7 @@ void BrowserActionsContainer::RemoveViewForAction(
   for (ToolbarActionViews::iterator iter = toolbar_action_views_.begin();
        iter != toolbar_action_views_.end(); ++iter) {
     if ((*iter)->view_controller() == action) {
+      action->HidePopup();
       toolbar_action_views_.erase(iter);
       break;
     }