File webkitgtk-add-missing-includes.patch of Package webkit2gtk3.19288

diff --git a/Source/WebCore/loader/DocumentThreadableLoader.cpp b/Source/WebCore/loader/DocumentThreadableLoader.cpp
index 513a52fe1b91..9b63e468801a 100644
--- a/Source/WebCore/loader/DocumentThreadableLoader.cpp
+++ b/Source/WebCore/loader/DocumentThreadableLoader.cpp
@@ -40,7 +40,9 @@
 #include "CrossOriginPreflightResultCache.h"
 #include "DOMWindow.h"
 #include "Document.h"
+#include "DocumentLoader.h"
 #include "Frame.h"
+#include "FrameLoader.h"
 #include "InspectorInstrumentation.h"
 #include "LegacySchemeRegistry.h"
 #include "LoadTiming.h"