IDL: Add build target for IDL dictionary impl generation in core

Source/core/testing/Internals.cpp

Index: Source/core/testing/Internals.cpp
diff --git a/Source/core/testing/Internals.cpp b/Source/core/testing/Internals.cpp
index e2179351d80974b8f6042360a135805693161fe0..045a9f748c46e30e009f92764da0d86d54974228 100644
--- a/Source/core/testing/Internals.cpp
+++ b/Source/core/testing/Internals.cpp
@@ -109,6 +109,7 @@
 #include "core/rendering/RenderView.h"
 #include "core/rendering/compositing/CompositedLayerMapping.h"
 #include "core/rendering/compositing/RenderLayerCompositor.h"
+#include "core/testing/DictionaryTest.h"
 #include "core/testing/GCObservation.h"
 #include "core/testing/InternalProfilers.h"
 #include "core/testing/InternalSettings.h"
@@ -1746,6 +1747,11 @@ PrivateScriptTest* Internals::privateScriptTest() const
     return PrivateScriptTest::create(frame());
 }
 
+DictionaryTest* Internals::dictionaryTest() const
+{
+    return DictionaryTest::create();
+}
+
 Vector<String> Internals::getReferencedFilePaths() const
 {
     return frame()->loader().currentItem()->getReferencedFilePaths();