Amusingly deprecate the generic version of 'ExceptionState::throwDOMException'.

Source/core/fileapi/FileReader.cpp

Index: Source/core/fileapi/FileReader.cpp
diff --git a/Source/core/fileapi/FileReader.cpp b/Source/core/fileapi/FileReader.cpp
index 012ce333f3da380a8b107cd9c6fa3532350b788f..0d274c06267045f821328b23d9ac448871f53d9b 100644
--- a/Source/core/fileapi/FileReader.cpp
+++ b/Source/core/fileapi/FileReader.cpp
@@ -148,7 +148,7 @@ void FileReader::readInternal(Blob* blob, FileReaderLoader::ReadType type, Excep
 {
     // If multiple concurrent read methods are called on the same FileReader, InvalidStateError should be thrown when the state is LOADING.
     if (m_state == LOADING) {
-        es.throwDOMException(InvalidStateError);
+        es.throwUninformativeAndGenericDOMException(InvalidStateError);
         return;
     }