Fix text color of WrenchMenu buttons on Linux Aura.

The color needs to come from the menu's own native theme.

BUG=347832

Review URL: https://codereview.chromium.org/245863002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@276862 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/views/toolbar/wrench_menu.h

@@ -51,8 +51,6 @@ class WrenchMenu : public views::MenuDelegate,
   // Whether the menu is currently visible to the user.
   bool IsShowing();
 
-  const views::MenuConfig& GetMenuConfig() const;
-
   bool use_new_menu() const { return use_new_menu_; }
 
   void AddObserver(WrenchMenuObserver* observer);
@@ -112,8 +110,6 @@ class WrenchMenu : public views::MenuDelegate,
   typedef std::pair<ui::MenuModel*,int> Entry;
   typedef std::map<int,Entry> CommandIDToEntry;
 
-  const ui::NativeTheme* GetNativeTheme() const;
-
   // Populates |parent| with all the child menus in |model|. Recursively invokes
   // |PopulateMenu| for any submenu.
   void PopulateMenu(views::MenuItemView* parent,