Remove support for NPObjects.

third_party/WebKit/Source/core/html/HTMLPlugInElement.cpp

 /**
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  */
 
 #include "core/html/HTMLPlugInElement.h"
 
 #include "bindings/core/v8/ScriptController.h"
-#include "bindings/core/v8/npruntime_impl.h"
 #include "core/CSSPropertyNames.h"
 #include "core/HTMLNames.h"
 #include "core/dom/Document.h"
 #include "core/dom/Node.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/Event.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
@@ skipping 17 matching lines @@
 #include "platform/plugins/PluginData.h"
 #include "public/platform/WebURLRequest.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
 HTMLPlugInElement::HTMLPlugInElement(const QualifiedName& tagName, Document& doc, bool createdByParser, PreferPlugInsForImagesOption preferPlugInsForImagesOption)
     : HTMLFrameOwnerElement(tagName, doc)
     , m_isDelayingLoadEvent(false)
-    , m_NPObject(0)
     // m_needsWidgetUpdate(!createdByParser) allows HTMLObjectElement to delay
     // widget updates until after all children are parsed. For HTMLEmbedElement
     // this delay is unnecessary, but it is simpler to make both classes share
     // the same codepath in this class.
     , m_needsWidgetUpdate(!createdByParser)
     , m_shouldPreferPlugInsForImages(preferPlugInsForImagesOption == ShouldPreferPlugInsForImages)
 {
 }
 
 HTMLPlugInElement::~HTMLPlugInElement()
 {
     ASSERT(!m_pluginWrapper); // cleared in detach()
     ASSERT(!m_isDelayingLoadEvent);
-
-    if (m_NPObject) {
-        _NPN_ReleaseObject(m_NPObject);
-        m_NPObject = 0;
-    }
 }
 
 DEFINE_TRACE(HTMLPlugInElement)
 {
     visitor->trace(m_imageLoader);
     visitor->trace(m_persistedPluginWidget);
     HTMLFrameOwnerElement::trace(visitor);
 }
 
 void HTMLPlugInElement::setPersistedPluginWidget(Widget* widget)
@@ skipping 144 matching lines @@
     Widget* plugin = ownedWidget();
     if (plugin && context.performingReattach) {
         setPersistedPluginWidget(releaseWidget().get());
     } else {
         // Clear the widget; will trigger disposal of it with Oilpan.
         setWidget(nullptr);
     }
 
     resetInstance();
 
-    if (m_NPObject) {
-        _NPN_ReleaseObject(m_NPObject);
-        m_NPObject = 0;
-    }
-
     HTMLFrameOwnerElement::detach(context);
 }
 
 LayoutObject* HTMLPlugInElement::createLayoutObject(const ComputedStyle& style)
 {
     // Fallback content breaks the DOM->layoutObject class relationship of this
     // class and all superclasses because createObject won't necessarily return
     // a LayoutEmbeddedObject or LayoutPart.
     if (useFallbackContent())
         return LayoutObject::createObject(this, style);
@@ skipping 137 matching lines @@
 bool HTMLPlugInElement::layoutObjectIsFocusable() const
 {
     if (HTMLFrameOwnerElement::supportsFocus() && HTMLFrameOwnerElement::layoutObjectIsFocusable())
         return true;
 
     if (useFallbackContent() || !layoutObject() || !layoutObject()->isEmbeddedObject())
         return false;
     return !toLayoutEmbeddedObject(layoutObject())->showsUnavailablePluginIndicator();
 }
 
-NPObject* HTMLPlugInElement::getNPObject()
-{
-    ASSERT(document().frame());
-    if (!m_NPObject)
-        m_NPObject = document().frame()->script().createScriptObjectForPluginElement(this);
-    return m_NPObject;
-}
-
 void HTMLPlugInElement::setPluginFocus(bool focused)
 {
     // NPAPI flash requires to receive messages when web contents focus changes.
-    if (getNPObject() && pluginWidget() && pluginWidget()->isPluginView())
+    if (pluginWidget() && pluginWidget()->isPluginView())
         toPluginView(pluginWidget())->setFocus(focused, WebFocusTypeNone);
 }
 
 bool HTMLPlugInElement::isImageType()
 {
     if (m_serviceType.isEmpty() && protocolIs(m_url, "data"))
         m_serviceType = mimeTypeFromDataURL(m_url);
 
     if (LocalFrame* frame = document().frame()) {
         KURL completedURL = document().completeURL(m_url);
@@ skipping 183 matching lines @@
     return openShadowRoot();
 }
 
 void HTMLPlugInElement::lazyReattachIfNeeded()
 {
     if (!useFallbackContent() && needsWidgetUpdate() && layoutObject() && !isImageType())
         lazyReattachIfAttached();
 }
 
 }