set a default country in the autofill dialog.

chrome/browser/ui/autofill/country_combobox_model.cc

Index: chrome/browser/ui/autofill/country_combobox_model.cc
diff --git a/chrome/browser/ui/autofill/country_combobox_model.cc b/chrome/browser/ui/autofill/country_combobox_model.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e583b92e0c5539dc992550cbecf6f5949b511148
--- /dev/null
+++ b/chrome/browser/ui/autofill/country_combobox_model.cc
@@ -0,0 +1,57 @@
+// Copyright (c) 2012 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.
+
+#include "chrome/browser/ui/autofill/country_combobox_model.h"
+
+#include "chrome/browser/autofill/autofill_country.h"
+#include "ui/base/l10n/l10n_util_collator.h"
+
+namespace autofill {
+
+CountryComboboxModel::CountryComboboxModel() {
+  std::vector<std::string> country_codes;
+  AutofillCountry::GetAvailableCountries(&country_codes);
+
+  std::string app_locale = AutofillCountry::ApplicationLocale();
+
+  for (std::vector<std::string>::iterator iter = country_codes.begin();
+       iter != country_codes.end(); ++iter) {
+    countries_.push_back(new AutofillCountry(*iter, app_locale));
+  }
+
+  l10n_util::SortStringsUsingMethod(app_locale,
+                                    &countries_.get(),
+                                    &AutofillCountry::name);
+
+  // The separator item.
+  countries_.insert(countries_.begin(), NULL);
+  // Insert the default country at the top as well as in the ordered list.
+  std::string default_country_code =
+      AutofillCountry::CountryCodeForLocale(app_locale);
+  countries_.insert(countries_.begin(),
+                    new AutofillCountry(default_country_code, app_locale));
+  // The empty item.
+  countries_.insert(countries_.begin(), NULL);

[Ilya Sherman, 2013/02/26 09:57:07]

nit: This is a little hard to follow, since it's in the opposite order from the
order in which the items actually appear in the vector.  IMO it would be clearer
to use a temporary vector for the countries that you want to sort, and then copy
that vector into the end of countries_.

[Evan Stade, 2013/02/26 19:01:40]

Done.

+}
+
+CountryComboboxModel::~CountryComboboxModel() {}
+
+int CountryComboboxModel::GetItemCount() const {
+  return countries_.size();
+}
+
+string16 CountryComboboxModel::GetItemAt(int index) {
+  AutofillCountry* country = countries_[index];
+  if (country)
+    return countries_[index]->name();
+
+  // The empty item.
+  if (index == 0)
+    return string16();
+
+  // The separator item.
+  return ASCIIToUTF16("---");
+}
+
+}  // namespace autofill