Fix crash with network menu in status area on Chrome OS

BUG=57890
TEST=manual

Review URL: http://codereview.chromium.org/7745019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@98229 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/status/network_menu.cc

@@ -1039,6 +1039,7 @@ NetworkMenu::NetworkMenu(Delegate* delegate, bool is_browser_mode)
   menu_item_view_->set_has_icons(true);
   menu_item_view_->set_menu_position(
       views::MenuItemView::POSITION_BELOW_BOUNDS);
+  menu_runner_.reset(new views::MenuRunner(menu_item_view_));
 }
 
 NetworkMenu::~NetworkMenu() {