Remove all support for <applet> handling in Chrome.

LayoutTests/fast/dom/resources/wrapper-identity-base.js

 // We use a static list of window properties to avoid breaking when new properties are added.
 var staticWindowProperties = [
     'CSSPrimitiveValue',
     'CSSRule',
     'CSSStyleDeclaration',
     'CSSImportRule',
     'CSSMediaRule',
     'CSSFontFaceRule',
     'CSSPageRule',
     'WebKitCSSKeyframeRule',
     'WebKitCSSKeyframesRule',
     'DOMException',
     'DOMParser',
     'Document',
     'DocumentFragment',
     'Element',
     'EvalError',
     'Event',
     'HTMLAnchorElement',
-    'HTMLAppletElement',
     'HTMLAreaElement',
     'HTMLBRElement',
     'HTMLBaseElement',
     'HTMLBodyElement',
     'HTMLButtonElement',
     'HTMLCanvasElement',
     'HTMLDListElement',
     'HTMLDirectoryElement',
     'HTMLDivElement',
     'HTMLDocument',
@@ skipping 146 matching lines @@
 
 function testJS(s)
 {
     shouldBeTrue("var object = " + s + "; isEqualJS(object, object);");
 }
 
 function testObjC(s)
 {
     shouldBeTrue("var object = " + s + "; isEqualObjC(object, object);");
 }