set a default country in the autofill dialog.

chrome/browser/ui/autofill/autofill_dialog_models.h

Index: chrome/browser/ui/autofill/autofill_dialog_models.h
diff --git a/chrome/browser/ui/autofill/autofill_dialog_models.h b/chrome/browser/ui/autofill/autofill_dialog_models.h
index a710e6364a054b1f3e51bb30a8c81ec518889a95..045c6b203c97b99cb789df51d5500e55b0fda792 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_models.h
+++ b/chrome/browser/ui/autofill/autofill_dialog_models.h
@@ -10,7 +10,9 @@
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_vector.h"
 #include "base/string16.h"
+#include "chrome/browser/autofill/autofill_country.h"

[Ilya Sherman, 2013/02/26 00:31:13]

nit: Can you forward-declare this?

 #include "ui/base/models/combobox_model.h"
 #include "ui/base/models/simple_menu_model.h"
 
@@ -112,10 +114,11 @@ class CountryComboboxModel : public ui::ComboboxModel {
   // ui::Combobox implementation:
   virtual int GetItemCount() const OVERRIDE;
   virtual string16 GetItemAt(int index) OVERRIDE;
+  virtual int GetDefaultIndex() const OVERRIDE;
 
  private:
   // The list of all countries.
-  std::vector<std::string> country_codes_;
+  ScopedVector<AutofillCountry> countries_;
 
   DISALLOW_COPY_AND_ASSIGN(CountryComboboxModel);
 };