Remove all support for <applet> handling in Chrome.

LayoutTests/http/tests/security/cross-frame-access-put.html

 
 <p>This test checks cross-frame access security of window attribute setters (rdar://problem/5326791).</p>
 <iframe src="http://localhost:8000/security/resources/cross-frame-iframe-for-put-test.html" style=""></iframe>
 <pre id="console"></pre>
 <script>
 function log(s)
 {
     document.getElementById("console").appendChild(document.createTextNode(s + "\n"));
 }
 
@@ skipping 26 matching lines @@
     setForbiddenProperty(targetWindow, "Document");
     setForbiddenProperty(targetWindow, "DocumentFragment");
     setForbiddenProperty(targetWindow, "DocumentType");
     setForbiddenProperty(targetWindow, "DOMException");
     setForbiddenProperty(targetWindow, "DOMImplementation");
     setForbiddenProperty(targetWindow, "DOMParser");
     setForbiddenProperty(targetWindow, "Element");
     setForbiddenProperty(targetWindow, "EvalError");
     setForbiddenProperty(targetWindow, "Event");
     setForbiddenProperty(targetWindow, "HTMLAnchorElement");
-    setForbiddenProperty(targetWindow, "HTMLAppletElement");
     setForbiddenProperty(targetWindow, "HTMLAreaElement");
     setForbiddenProperty(targetWindow, "HTMLBaseElement");
     setForbiddenProperty(targetWindow, "HTMLBodyElement");
     setForbiddenProperty(targetWindow, "HTMLBRElement");
     setForbiddenProperty(targetWindow, "HTMLButtonElement");
     setForbiddenProperty(targetWindow, "HTMLCanvasElement");
     setForbiddenProperty(targetWindow, "HTMLDirectoryElement");
     setForbiddenProperty(targetWindow, "HTMLDivElement");
     setForbiddenProperty(targetWindow, "HTMLDListElement");
     setForbiddenProperty(targetWindow, "HTMLDocument");
@@ skipping 168 matching lines @@
         // log(targetWindow.focus.__proto__);
         log("MAIN WINDOW: !!-- Test ended--!!");
 
         window.stop();
 
         if (window.testRunner)
             testRunner.notifyDone();
     }, 1);
 }
 </script>