Remove all support for <applet> handling in Chrome.

Source/core/html/parser/HTMLElementStack.cpp

 /*
  * Copyright (C) 2010 Google, Inc. All Rights Reserved.
  * Copyright (C) 2011 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 30 matching lines @@
 namespace {
 
 inline bool isRootNode(HTMLStackItem* item)
 {
     return item->isDocumentFragmentNode()
         || item->hasTagName(htmlTag);
 }
 
 inline bool isScopeMarker(HTMLStackItem* item)
 {
-    return item->hasTagName(appletTag)
-        || item->hasTagName(captionTag)
+    return item->hasTagName(captionTag)
         || item->hasTagName(marqueeTag)
         || item->hasTagName(objectTag)
         || item->hasTagName(tableTag)
         || item->hasTagName(tdTag)
         || item->hasTagName(thTag)
         || item->hasTagName(MathMLNames::miTag)
         || item->hasTagName(MathMLNames::moTag)
         || item->hasTagName(MathMLNames::mnTag)
         || item->hasTagName(MathMLNames::msTag)
         || item->hasTagName(MathMLNames::mtextTag)
@@ skipping 565 matching lines @@
 
 void HTMLElementStack::show()
 {
     for (ElementRecord* record = m_top.get(); record; record = record->next())
         record->element()->showNode();
 }
 
 #endif
 
 }