Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

components/google/core/browser/google_util.cc

Index: components/google/core/browser/google_util.cc
diff --git a/components/google/core/browser/google_util.cc b/components/google/core/browser/google_util.cc
index 800b1bcdcf4c8ba56cfb8ebde5a76c30a256fd5e..bd3e0fe686be59d87eb02f9f174034b7bf294e3b 100644
--- a/components/google/core/browser/google_util.cc
+++ b/components/google/core/browser/google_util.cc
@@ -54,12 +54,12 @@ bool IsValidHostName(const std::string& host,
     return false;
   // Removes the tld and the preceding dot.
   std::string host_minus_tld(host, 0, host.length() - tld_length - 1);
-  if (LowerCaseEqualsASCII(host_minus_tld, domain_in_lower_case.c_str()))
+  if (base::LowerCaseEqualsASCII(host_minus_tld, domain_in_lower_case.c_str()))
     return true;
   if (subdomain_permission == google_util::ALLOW_SUBDOMAIN)
     return EndsWith(host_minus_tld, "." + domain_in_lower_case, false);
-  return LowerCaseEqualsASCII(host_minus_tld,
-                              ("www." + domain_in_lower_case).c_str());
+  return base::LowerCaseEqualsASCII(host_minus_tld,
+                                    ("www." + domain_in_lower_case).c_str());
 }
 
 // True if |url| is a valid URL with HTTP or HTTPS scheme. If |port_permission|