Add [TypeChecking=Interface] to Internals and PrivateScriptTest

Source/core/testing/PrivateScriptTest.idl

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 [
-    GarbageCollected
+    GarbageCollected,
+    TypeChecking=Interface,
 ] interface PrivateScriptTest {
     [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);
     [ImplementedInPrivateScript] readonly attribute short readonlyShortAttribute;
     [ImplementedInPrivateScript] attribute short shortAttribute;
     [ImplementedInPrivateScript] attribute DOMString stringAttribute;
     [ImplementedInPrivateScript] attribute Node nodeAttribute;
-    [ImplementedInPrivateScript] attribute Node nodeAttributeThrowsIndexSizeError;
+    [ImplementedInPrivateScript] attribute Node? nodeAttributeThrowsIndexSizeError;

[Jens Widell, 2015/02/27 15:49:51]

Made nullable since null was assigned in the layout test that uses this
interface.

(Without linux_blink_dbg on the CQ, these tests won't be run, I think; the
corresponding private script code is #ifdef NDEBUG.)

     [ImplementedInPrivateScript] void voidMethodThrowsDOMSyntaxError();
     [ImplementedInPrivateScript] void voidMethodThrowsError();
     [ImplementedInPrivateScript] void voidMethodThrowsTypeError();
     [ImplementedInPrivateScript] void voidMethodThrowsRangeError();
     [ImplementedInPrivateScript] void voidMethodThrowsSyntaxError();
     [ImplementedInPrivateScript] void voidMethodThrowsReferenceError();
     [ImplementedInPrivateScript] void voidMethodThrowsStackOverflowError();
     [ImplementedInPrivateScript, OnlyExposedToPrivateScript] short addIntegerForPrivateScriptOnly(short value1, short value2);
     [ImplementedInPrivateScript, OnlyExposedToPrivateScript] attribute DOMString stringAttributeForPrivateScriptOnly;
     [ImplementedInPrivateScript] short addIntegerImplementedInCPP(short value1, short value2);
     [OnlyExposedToPrivateScript] short addIntegerImplementedInCPPForPrivateScriptOnly(short value1, short value2);
     [ImplementedInPrivateScript] attribute DOMString stringAttributeImplementedInCPP;
     [OnlyExposedToPrivateScript] attribute DOMString stringAttributeImplementedInCPPForPrivateScriptOnly;
     [ImplementedInPrivateScript] void dispatchDocumentOnload(Document document);
 };