Convert remaining StringToLowerASCII to ToLowerASCII

google_apis/gaia/gaia_auth_util.cc

Index: google_apis/gaia/gaia_auth_util.cc
diff --git a/google_apis/gaia/gaia_auth_util.cc b/google_apis/gaia/gaia_auth_util.cc
index cc5e17cc7d7f27b9a8678b90389ef88274bbd1c8..caf802f9954e535b9c774df961be2e32018e16e9 100644
--- a/google_apis/gaia/gaia_auth_util.cc
+++ b/google_apis/gaia/gaia_auth_util.cc
@@ -35,8 +35,7 @@ std::string CanonicalizeEmailImpl(const std::string& email_address,
       base::RemoveChars(parts[0], ".", &parts[0]);
   }
 
-  std::string new_email = base::StringToLowerASCII(
-      base::JoinString(parts, "@"));
+  std::string new_email = base::ToLowerASCII(base::JoinString(parts, "@"));
   VLOG(1) << "Canonicalized " << email_address << " to " << new_email;
   return new_email;
 }
@@ -72,7 +71,7 @@ std::string CanonicalizeEmail(const std::string& email_address) {
 std::string CanonicalizeDomain(const std::string& domain) {
   // Canonicalization of domain names means lower-casing them. Make sure to
   // update this function in sync with Canonicalize if this ever changes.
-  return base::StringToLowerASCII(domain);
+  return base::ToLowerASCII(domain);
 }
 
 std::string SanitizeEmail(const std::string& email_address) {