Cleanup MenuRunner API

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

Index: chrome/browser/ui/views/toolbar/toolbar_button.cc
diff --git a/chrome/browser/ui/views/toolbar/toolbar_button.cc b/chrome/browser/ui/views/toolbar/toolbar_button.cc
index 50ee412ecedbe8c557d41d99794b433bbd4cead8..17b5979754292b9150745b468c40f6cdd1b9d5be 100644
--- a/chrome/browser/ui/views/toolbar/toolbar_button.cc
+++ b/chrome/browser/ui/views/toolbar/toolbar_button.cc
@@ -214,12 +214,11 @@ void ToolbarButton::ShowDropDownMenu(ui::MenuSourceType source_type) {
       model_.get(),
       base::Bind(&ToolbarButton::OnMenuClosed, base::Unretained(this))));
   menu_model_adapter_->set_triggerable_event_flags(triggerable_event_flags());
-  menu_runner_.reset(new views::MenuRunner(
-      menu_model_adapter_->CreateMenu(),
-      views::MenuRunner::HAS_MNEMONICS | views::MenuRunner::ASYNC));
-  ignore_result(menu_runner_->RunMenuAt(
-      GetWidget(), nullptr, gfx::Rect(menu_position, gfx::Size(0, 0)),
-      views::MENU_ANCHOR_TOPLEFT, source_type));
+  menu_runner_.reset(new views::MenuRunner(menu_model_adapter_->CreateMenu(),
+                                           views::MenuRunner::HAS_MNEMONICS));
+  menu_runner_->RunMenuAt(GetWidget(), nullptr,
+                          gfx::Rect(menu_position, gfx::Size(0, 0)),
+                          views::MENU_ANCHOR_TOPLEFT, source_type);
 }
 
 void ToolbarButton::OnMenuClosed() {