Style cleanups in Autofill for greater code clarity.

components/autofill/core/browser/autocomplete_history_manager.cc

Index: components/autofill/core/browser/autocomplete_history_manager.cc
diff --git a/components/autofill/core/browser/autocomplete_history_manager.cc b/components/autofill/core/browser/autocomplete_history_manager.cc
index 79d75b8c18d257b686c4121a9dbc5f7dedc8772a..acfb47df60fbf963abdbc98e9dfc45dc3b891fc1 100644
--- a/components/autofill/core/browser/autocomplete_history_manager.cc
+++ b/components/autofill/core/browser/autocomplete_history_manager.cc
@@ -124,17 +124,15 @@ void AutocompleteHistoryManager::OnFormSubmitted(const FormData& form) {
   //  - autocomplete is not disabled
   //  - value is not a credit card number
   //  - value is not a SSN
+  //  - field was not identified as a CVC field (this is handled in
+  //    AutofillManager)
   std::vector<FormFieldData> values;
-  for (std::vector<FormFieldData>::const_iterator iter =
-           form.fields.begin();
-       iter != form.fields.end(); ++iter) {
-    if (!iter->value.empty() &&
-        !iter->name.empty() &&
-        IsTextField(*iter) &&
-        iter->should_autocomplete &&
-        !autofill::IsValidCreditCardNumber(iter->value) &&
-        !autofill::IsSSN(iter->value)) {
-      values.push_back(*iter);
+  for (const FormFieldData& field : form.fields) {
+    if (!field.value.empty() && !field.name.empty() && IsTextField(field) &&
+        field.should_autocomplete &&
+        !autofill::IsValidCreditCardNumber(field.value) &&
+        !autofill::IsSSN(field.value)) {
+      values.push_back(field);
     }
   }