Remove base::StringValue

content/shell/test_runner/tracked_dictionary.cc

Index: content/shell/test_runner/tracked_dictionary.cc
diff --git a/content/shell/test_runner/tracked_dictionary.cc b/content/shell/test_runner/tracked_dictionary.cc
index eaeba5fe86cc98985a8f871ee650f6a8bed2b128..87550a9191bf615a7fdfbb0d8d6f1178eae88ac2 100644
--- a/content/shell/test_runner/tracked_dictionary.cc
+++ b/content/shell/test_runner/tracked_dictionary.cc
@@ -45,7 +45,7 @@ void TrackedDictionary::SetBoolean(const std::string& path, bool new_value) {
 
 void TrackedDictionary::SetString(const std::string& path,
                                   const std::string& new_value) {
-  Set(path, base::MakeUnique<base::StringValue>(new_value));
+  Set(path, base::MakeUnique<base::Value>(new_value));
 }
 
 }  // namespace test_runner