views: Fix a couple of trivial TODOS.

views/controls/combobox/combobox.cc

Index: views/controls/combobox/combobox.cc
diff --git a/views/controls/combobox/combobox.cc b/views/controls/combobox/combobox.cc
index 6e296d9cdcab353a9216255fea26151205e1d2a3..0f8ee2bdee16e2e35578500faaaaa54071d3b460 100644
--- a/views/controls/combobox/combobox.cc
+++ b/views/controls/combobox/combobox.cc
@@ -9,12 +9,9 @@
 #include "ui/base/accessibility/accessible_view_state.h"
 #include "ui/base/keycodes/keyboard_codes.h"
 #include "ui/base/models/combobox_model.h"
-#include "views/controls/combobox/native_combobox_wrapper.h"
 #include "views/controls/native/native_view_host.h"
 #include "views/widget/widget.h"
 
-using ui::ComboboxModel;  // TODO(beng): remove
-
 namespace views {
 
 // static
@@ -23,7 +20,7 @@ const char Combobox::kViewClassName[] = "views/Combobox";
 ////////////////////////////////////////////////////////////////////////////////
 // Combobox, public:
 
-Combobox::Combobox(ComboboxModel* model)
+Combobox::Combobox(ui::ComboboxModel* model)
     : native_wrapper_(NULL),
       model_(model),
       listener_(NULL),