[Autofill] Update the autocomplete types implementation to match the current HTML spec.

chrome/browser/autofill/select_control_handler.cc

Index: chrome/browser/autofill/select_control_handler.cc
diff --git a/chrome/browser/autofill/select_control_handler.cc b/chrome/browser/autofill/select_control_handler.cc
index d602911239440bd9e10bb076d33ef6730e790bdf..7006e477997715a4bdb9f1170be2a110d753794a 100644
--- a/chrome/browser/autofill/select_control_handler.cc
+++ b/chrome/browser/autofill/select_control_handler.cc
@@ -202,7 +202,7 @@ void FillSelectControl(const FormGroup& form_group,
                        AutofillFieldType type,
                        FormFieldData* field) {
   DCHECK(field);
-  DCHECK_EQ(ASCIIToUTF16("select-one"), field->form_control_type);
+  DCHECK_EQ("select-one", field->form_control_type);
   DCHECK_EQ(field->option_values.size(), field->option_contents.size());
 
   string16 field_text = form_group.GetCanonicalizedInfo(type);