Implement Blink-in-JS for DOM methods

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.
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     [RaisesException] boolean ignoreLayoutWithPendingStylesheets(Document document);
 
     // 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);
+
+    [ImplementedInPrivateScript] void doNothing();
+    [ImplementedInPrivateScript] short return123();
+    [ImplementedInPrivateScript] short echoInteger(short value);
+    [ImplementedInPrivateScript] DOMString echoString(DOMString value);
+    [ImplementedInPrivateScript] Node echoNode(Node value);
+    [ImplementedInPrivateScript] short addInteger(short value1, short value2);
+    [ImplementedInPrivateScript] DOMString addString(DOMString value1, DOMString value2);
+    [ImplementedInPrivateScript] void setIntegerToPrototype(short value);
+    [ImplementedInPrivateScript] short getIntegerFromPrototype();
+    [ImplementedInPrivateScript] void setIntegerToDocument(Document document, short value);
+    [ImplementedInPrivateScript] short getIntegerFromDocument(Document document);
+    [ImplementedInPrivateScript] Node createElement(Document document);
+    [ImplementedInPrivateScript] void appendChild(Node node1, Node node2);
+    [ImplementedInPrivateScript] Node firstChild(Node node);
+    [ImplementedInPrivateScript] Node nextSibling(Node node);
+    [ImplementedInPrivateScript] DOMString innerHTML(Node node);
+    [ImplementedInPrivateScript] void setInnerHTML(Node node, DOMString string);
+    [ImplementedInPrivateScript] void addClickListener(Node node);
+    [ImplementedInPrivateScript] void clickNode(Document document, Node node);
 };