Remove base::StringValue

base/value_conversions.h

Index: base/value_conversions.h
diff --git a/base/value_conversions.h b/base/value_conversions.h
index 6ce1bff27e4d23f4ba096f348172cb542d64ac3c..8a464ab4b725974831ec543d6ee07e12667f01ee 100644
--- a/base/value_conversions.h
+++ b/base/value_conversions.h
@@ -15,13 +15,12 @@ namespace base {
 class FilePath;
 class TimeDelta;
 class Value;
-using StringValue = Value;
 
 // The caller takes ownership of the returned value.
-BASE_EXPORT StringValue* CreateFilePathValue(const FilePath& in_value);
+BASE_EXPORT Value* CreateFilePathValue(const FilePath& in_value);
 BASE_EXPORT bool GetValueAsFilePath(const Value& value, FilePath* file_path);
 
-BASE_EXPORT StringValue* CreateTimeDeltaValue(const TimeDelta& time);
+BASE_EXPORT Value* CreateTimeDeltaValue(const TimeDelta& time);
 BASE_EXPORT bool GetValueAsTimeDelta(const Value& value, TimeDelta* time);
 
 }  // namespace base