Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

components/autofill/content/renderer/password_form_conversion_utils.cc

Index: components/autofill/content/renderer/password_form_conversion_utils.cc
diff --git a/components/autofill/content/renderer/password_form_conversion_utils.cc b/components/autofill/content/renderer/password_form_conversion_utils.cc
index 538b602ba21eb6ef48a1e916c0e9d55b6b4c72a8..7650bd35ddf87064bd28ff484f505471352f0435 100644
--- a/components/autofill/content/renderer/password_form_conversion_utils.cc
+++ b/components/autofill/content/renderer/password_form_conversion_utils.cc
@@ -26,8 +26,9 @@ namespace {
 // |element| is present and has the specified |value_in_lowercase|.
 bool HasAutocompleteAttributeValue(const WebInputElement& element,
                                    const char* value_in_lowercase) {
-  return LowerCaseEqualsASCII(element.getAttribute("autocomplete"),
-                              value_in_lowercase);
+  return base::LowerCaseEqualsASCII(
+      base::string16(element.getAttribute("autocomplete")),
+      value_in_lowercase);
 }
 
 // Helper to determine which password is the main (current) one, and which is