Cleanup MenuRunner API

ash/shell/window_type_launcher.cc

Index: ash/shell/window_type_launcher.cc
diff --git a/ash/shell/window_type_launcher.cc b/ash/shell/window_type_launcher.cc
index 564d0d118e60ef2b35cde597d8b4da0dfe8b8834..ab73191f85b8de910085f4fa0d92e32012d9d05b 100644
--- a/ash/shell/window_type_launcher.cc
+++ b/ash/shell/window_type_launcher.cc
@@ -328,14 +328,10 @@ void WindowTypeLauncher::ShowContextMenuForView(
                        base::ASCIIToUTF16("Toggle FullScreen"),
                        MenuItemView::NORMAL);
   // MenuRunner takes ownership of root.
-  menu_runner_.reset(new MenuRunner(root, MenuRunner::HAS_MNEMONICS |
-                                              views::MenuRunner::CONTEXT_MENU |
-                                              views::MenuRunner::ASYNC));
-  if (menu_runner_->RunMenuAt(GetWidget(), NULL, gfx::Rect(point, gfx::Size()),
-                              views::MENU_ANCHOR_TOPLEFT,
-                              source_type) == MenuRunner::MENU_DELETED) {
-    return;
-  }
+  menu_runner_.reset(new MenuRunner(
+      root, MenuRunner::HAS_MNEMONICS | views::MenuRunner::CONTEXT_MENU));
+  menu_runner_->RunMenuAt(GetWidget(), NULL, gfx::Rect(point, gfx::Size()),
+                          views::MENU_ANCHOR_TOPLEFT, source_type);
 }
 
 }  // namespace shell