Remove all support for <applet> handling in Chrome.

Source/core/loader/FrameLoaderClient.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2012 Google 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.
@@ skipping 31 matching lines @@
 #include "platform/weborigin/Referrer.h"
 #include "wtf/Forward.h"
 #include "wtf/Vector.h"
 #include <v8.h>
 
 namespace blink {
 
 class Document;
 class DocumentLoader;
 class FetchRequest;
-class HTMLAppletElement;
 class HTMLFormElement;
 class HTMLFrameOwnerElement;
 class HTMLMediaElement;
 class HTMLPlugInElement;
 class HistoryItem;
 class KURL;
 class LocalFrame;
 class PluginPlaceholder;
 class ResourceError;
 class ResourceRequest;
@@ skipping 90 matching lines @@
         AllowDetachedPlugin,
     };
     virtual bool canCreatePluginWithoutRenderer(const String& mimeType) const = 0;
 
     // Called before plugin creation in order to ask the embedder whether a
     // placeholder should be substituted instead.
     virtual PassOwnPtrWillBeRawPtr<PluginPlaceholder> createPluginPlaceholder(Document&, const KURL&, const Vector<String>& paramNames, const Vector<String>& paramValues, const String& mimeType, bool loadManually) = 0;
 
     virtual PassRefPtrWillBeRawPtr<Widget> createPlugin(HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool loadManually, DetachedPluginPolicy) = 0;
 
-    virtual PassRefPtrWillBeRawPtr<Widget> createJavaAppletWidget(HTMLAppletElement*, const KURL& baseURL, const Vector<String>& paramNames, const Vector<String>& paramValues) = 0;
-
     virtual PassOwnPtr<WebMediaPlayer> createWebMediaPlayer(HTMLMediaElement&, const WebURL&, WebMediaPlayerClient*) = 0;
 
     virtual ObjectContentType objectContentType(const KURL&, const String& mimeType, bool shouldPreferPlugInsForImages) = 0;
 
     virtual void didCreateNewDocument() = 0;
     virtual void dispatchDidClearWindowObjectInMainWorld() = 0;
     virtual void documentElementAvailable() = 0;
 
     virtual v8::Local<v8::Value> createTestInterface(const AtomicString& name) = 0;
 
@@ skipping 69 matching lines @@
         BeforeUnloadHandler,
         UnloadHandler,
     };
     virtual void suddenTerminationDisablerChanged(bool present, SuddenTerminationDisablerType) { }
 
 };
 
 } // namespace blink
 
 #endif // FrameLoaderClient_h