Move LowerCaseEqualsASCII to base namespace

google_apis/gaia/gaia_auth_fetcher.cc

Index: google_apis/gaia/gaia_auth_fetcher.cc
diff --git a/google_apis/gaia/gaia_auth_fetcher.cc b/google_apis/gaia/gaia_auth_fetcher.cc
index eaae7159fdb3cb0d746273a12080109cc0099d56..e1ef712a25442eaec03d7038fa18731d89922fa7 100644
--- a/google_apis/gaia/gaia_auth_fetcher.cc
+++ b/google_apis/gaia/gaia_auth_fetcher.cc
@@ -35,7 +35,7 @@ static bool CookiePartsContains(const std::vector<std::string>& parts,
                                 const char* part) {
   for (std::vector<std::string>::const_iterator it = parts.begin();
        it != parts.end(); ++it) {
-    if (LowerCaseEqualsASCII(*it, part))
+    if (base::LowerCaseEqualsASCII(*it, part))
       return true;
   }
   return false;