Move StringToUpperASCII and LowerCaseEqualsASCII to the base namespace

content/test/plugin/plugin_test.cc

Index: content/test/plugin/plugin_test.cc
diff --git a/content/test/plugin/plugin_test.cc b/content/test/plugin/plugin_test.cc
index eb2d864009e8d275c653431078340f2902f4b68a..84ad5ab4f789d73c0b430932d40794dc11e195d8 100644
--- a/content/test/plugin/plugin_test.cc
+++ b/content/test/plugin/plugin_test.cc
@@ -121,7 +121,7 @@ void PluginTest::SetError(const std::string &msg) {
 
 void PluginTest::ExpectStringLowerCaseEqual(const std::string &val1,
                                             const std::string &val2) {
-  if (!LowerCaseEqualsASCII(val1, val2.c_str())) {
+  if (!base::LowerCaseEqualsASCII(val1, val2.c_str())) {
     std::string err;
     err = "Expected Equal for '";
     err.append(val1);