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

Source/core/testing/Internals.idl

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 194 matching lines @@
     [RaisesException, TypeChecking=Interface] void setIsCursorVisible(Document document, boolean isVisible);
 
     void mediaPlayerRequestFullscreen(HTMLMediaElement mediaElement);
     double effectiveMediaVolume(HTMLMediaElement mediaElement);
 
     void registerURLSchemeAsBypassingContentSecurityPolicy(DOMString scheme);
     void removeURLSchemeRegisteredAsBypassingContentSecurityPolicy(DOMString scheme);
 
     TypeConversions typeConversions();
 
-    // This is enabled only in Debug builds.
+    // These are enabled only in Debug builds.
     // This is because we want to avoid putting the byte stream of testing private scripts
     // into the binary of Release builds.
     PrivateScriptTest privateScriptTest();
+    DictionaryTest dictionaryTest();
 
     DOMString[] getReferencedFilePaths();
 
     // These functions both reset the tracked repaint rects. They are inteded to be used in the following order:
     //  startTrackingRepaints, repaintRectsAsText, stopTrackingRepaints.
     [RaisesException, TypeChecking=Interface] void startTrackingRepaints(Document document);
     [RaisesException, TypeChecking=Interface] void stopTrackingRepaints(Document document);
 
     // |node| should be Document, HTMLIFrameElement, or unspecified.
     // If |node| is an HTMLIFrameElement, it assumes node.contentDocument is
@@ skipping 52 matching lines @@
     // These functions are for testing NetInfo. You must call setNetworkStateNotifierTestOnly(true)
     // before calling setNetworkConnectionInfo.
     void setNetworkStateNotifierTestOnly(boolean testOnly);
     [RaisesException] void setNetworkConnectionInfo(DOMString type);
 
     // This function is for testing HitRegions on Canvas2D.
     unsigned long countHitRegions(CanvasRenderingContext2D context);
 
     DOMString serializeNavigationMarkup(Document document);
 };