Remove wstrings from bookmarks, part 12.

views/examples/combobox_example.h

-// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
 #define VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_
 #pragma once
 
 #include "app/combobox_model.h"
 #include "base/string_util.h"
+#include "base/utf_string_conversions.h"
 #include "views/controls/combobox/combobox.h"
 #include "views/examples/example_base.h"
 #include "views/fill_layout.h"
 
 namespace examples {
 
 // ComboboxExample
 class ComboboxExample : public ExampleBase, public views::Combobox::Listener {
  public:
   explicit ComboboxExample(ExamplesMain* main) : ExampleBase(main) {
@@ skipping 16 matching lines @@
   // An sample combobox model that generates list of "Item <index>".
   class ComboboxModelExample : public ComboboxModel {
    public:
     ComboboxModelExample() {}
     virtual ~ComboboxModelExample() {}
 
     virtual int GetItemCount() {
       return 10;
     }
 
-    virtual std::wstring GetItemAt(int index) {
-      return StringPrintf(L"Item %d", index);
+    virtual string16 GetItemAt(int index) {
+      return WideToUTF16Hack(StringPrintf(L"Item %d", index));
     }
 
    private:
     DISALLOW_COPY_AND_ASSIGN(ComboboxModelExample);
   };
 
   // Lister implementation.
   virtual void ItemChanged(views::Combobox* combo_box,
                            int prev_index,
                            int new_index) {
     PrintStatus(L"Selected: index=%d, label=%ls",
-                new_index, combo_box->model()->GetItemAt(new_index).c_str());
+                new_index, UTF16ToWideHack(
+                    combo_box->model()->GetItemAt(new_index)).c_str());
   }
 
   // This test only control.
   views::Combobox* combobox_;
 
   DISALLOW_COPY_AND_ASSIGN(ComboboxExample);
 };
 
 }  // namespace examples
 
 #endif  // VIEWS_EXAMPLES_COMBOBOX_EXAMPLE_H_