OOPIF support for 'plugin-types' Content Security Policy.

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.
@@ skipping 557 matching lines @@
         return false;
 
     if (MIMETypeRegistry::isJavaAppletMIMEType(mimeType))
         return false;
 
     if (!document().getSecurityOrigin()->canDisplay(url)) {
         FrameLoader::reportLocalLoadFailed(frame, url.getString());
         return false;
     }
 
-    AtomicString declaredMimeType = document().isPluginDocument() && document().localOwner() ?
-        document().localOwner()->fastGetAttribute(HTMLNames::typeAttr) :
-        fastGetAttribute(HTMLNames::typeAttr);
+    AtomicString declaredMimeType = fastGetAttribute(HTMLNames::typeAttr);
     if (!document().contentSecurityPolicy()->allowObjectFromSource(url)
         || !document().contentSecurityPolicy()->allowPluginTypeForDocument(document(), mimeType, declaredMimeType, url)) {
         if (LayoutEmbeddedItem layoutItem = layoutEmbeddedItem()) {
             m_pluginIsAvailable = false;
             layoutItem.setPluginAvailability(LayoutEmbeddedObject::PluginBlockedByContentSecurityPolicy);
         }
         return false;
     }
     // If the URL is empty, a plugin could still be instantiated if a MIME-type
     // is specified.
@@ skipping 27 matching lines @@
 
 void HTMLPlugInElement::lazyReattachIfNeeded()
 {
     if (!useFallbackContent() && needsWidgetUpdate() && layoutObject() && !isImageType()) {
         lazyReattachIfAttached();
         setPersistedPluginWidget(nullptr);
     }
 }
 
 } // namespace blink