Remove all support for <applet> handling in Chrome.

Source/core/loader/EmptyClients.cpp

 /*
  * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009, 2012 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. 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.
@@ skipping 106 matching lines @@
 PassRefPtrWillBeRawPtr<LocalFrame> EmptyFrameLoaderClient::createFrame(const FrameLoadRequest&, const AtomicString&, HTMLFrameOwnerElement*)
 {
     return nullptr;
 }
 
 PassRefPtrWillBeRawPtr<Widget> EmptyFrameLoaderClient::createPlugin(HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool, DetachedPluginPolicy)
 {
     return nullptr;
 }
 
-PassRefPtrWillBeRawPtr<Widget> EmptyFrameLoaderClient::createJavaAppletWidget(HTMLAppletElement*, const KURL&, const Vector<String>&, const Vector<String>&)
-{
-    return nullptr;
-}
-
 PassOwnPtr<WebMediaPlayer> EmptyFrameLoaderClient::createWebMediaPlayer(HTMLMediaElement&, const WebURL&, WebMediaPlayerClient*)
 {
     return nullptr;
 }
 
 void EmptyTextCheckerClient::requestCheckingOfString(PassRefPtrWillBeRawPtr<TextCheckingRequest>)
 {
 }
 
 void EmptyFrameLoaderClient::didRequestAutocomplete(HTMLFormElement*)
 {
 }
 
 v8::Local<v8::Value> EmptyFrameLoaderClient::createTestInterface(const AtomicString& name)
 {
     return v8::Local<v8::Value>();
 }
 
 PassOwnPtr<WebServiceWorkerProvider> EmptyFrameLoaderClient::createServiceWorkerProvider()
 {
     return nullptr;
 }
 
 PassOwnPtr<WebApplicationCacheHost> EmptyFrameLoaderClient::createApplicationCacheHost(WebApplicationCacheHostClient*)
 {
     return nullptr;
 }
 
 } // namespace blink