Remove all support for <applet> handling in Chrome.

Source/web/FrameLoaderClientImpl.cpp

 /*
  * Copyright (C) 2009, 2012 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 23 matching lines @@
 
 #include "bindings/core/v8/ScriptController.h"
 #include "core/HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/dom/Fullscreen.h"
 #include "core/events/MessageEvent.h"
 #include "core/events/MouseEvent.h"
 #include "core/events/UIEventWithKeyState.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
-#include "core/html/HTMLAppletElement.h"
 #include "core/html/HTMLMediaElement.h"
+#include "core/html/HTMLPlugInElement.h"
 #include "core/input/EventHandler.h"
 #include "core/layout/HitTestResult.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/HistoryItem.h"
 #include "core/page/Page.h"
 #include "core/page/WindowFeatures.h"
 #include "modules/device_light/DeviceLightController.h"
 #include "modules/device_orientation/DeviceMotionController.h"
@@ skipping 717 matching lines @@
     if (policy != AllowDetachedPlugin && !element->layoutObject()) {
 #if ENABLE(OILPAN)
         container->dispose();
 #endif
         return nullptr;
     }
 
     return container;
 }
 
-PassRefPtrWillBeRawPtr<Widget> FrameLoaderClientImpl::createJavaAppletWidget(
-    HTMLAppletElement* element,
-    const KURL& /* baseURL */,
-    const Vector<String>& paramNames,
-    const Vector<String>& paramValues)
-{
-    return createPlugin(element, KURL(), paramNames, paramValues,
-        "application/x-java-applet", false, FailOnDetachedPlugin);
-}
-
 PassOwnPtr<WebMediaPlayer> FrameLoaderClientImpl::createWebMediaPlayer(
     HTMLMediaElement& htmlMediaElement,
     const WebURL& url,
     WebMediaPlayerClient* client)
 {
     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(
         htmlMediaElement.document().frame());
 
     if (!webFrame || !webFrame->client())
         return nullptr;
@@ skipping 179 matching lines @@
 
 void FrameLoaderClientImpl::suddenTerminationDisablerChanged(bool present, SuddenTerminationDisablerType type)
 {
     if (m_webFrame->client()) {
         m_webFrame->client()->suddenTerminationDisablerChanged(
             present, static_cast<WebFrameClient::SuddenTerminationDisablerType>(type));
     }
 }
 
 } // namespace blink