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

Source/modules/filesystem/DOMFileSystemSync.cpp

Index: Source/modules/filesystem/DOMFileSystemSync.cpp
diff --git a/Source/modules/filesystem/DOMFileSystemSync.cpp b/Source/modules/filesystem/DOMFileSystemSync.cpp
index cca36042dec4b2375b91ef617c5ec58d0c55d4d0..1b95ffe9bdd44de67b43a843c32b9299c03687d5 100644
--- a/Source/modules/filesystem/DOMFileSystemSync.cpp
+++ b/Source/modules/filesystem/DOMFileSystemSync.cpp
@@ -164,7 +164,7 @@ PassRefPtr<File> DOMFileSystemSync::createFile(const FileEntrySync* fileEntry, E
     RefPtr<CreateFileHelper::CreateFileResult> result(CreateFileHelper::CreateFileResult::create());
     fileSystem()->createSnapshotFileAndReadMetadata(fileSystemURL, CreateFileHelper::create(result, fileEntry->name(), fileSystemURL, type()));
     if (result->m_failed) {
-        es.throwDOMException(result->m_code);
+        es.throwUninformativeAndGenericDOMException(result->m_code);
         return 0;
     }
     return result->m_file;