Move IsStringUTF8/ASCII to base namespace

components/autofill/content/browser/wallet/wallet_address.cc

Index: components/autofill/content/browser/wallet/wallet_address.cc
diff --git a/components/autofill/content/browser/wallet/wallet_address.cc b/components/autofill/content/browser/wallet/wallet_address.cc
index 643b283a9af5ab6b75965c4066a946e291b142e2..30825c9f85b8030f195daa3c97bd3e6c4653ab76 100644
--- a/components/autofill/content/browser/wallet/wallet_address.cc
+++ b/components/autofill/content/browser/wallet/wallet_address.cc
@@ -330,7 +330,7 @@ base::string16 Address::DisplayPhoneNumber() const {
 base::string16 Address::GetInfo(const AutofillType& type,
                                 const std::string& app_locale) const {
   if (type.html_type() == HTML_TYPE_COUNTRY_CODE) {
-    DCHECK(IsStringASCII(country_name_code()));
+    DCHECK(base::IsStringASCII(country_name_code()));
     return base::ASCIIToUTF16(country_name_code());
   }