Implement a part of ProcessingInstruction by using PrivateScript

Source/core/frame/LocalDOMWindow.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 17 matching lines @@
 #include "core/frame/LocalDOMWindow.h"
 
 #include "bindings/core/v8/Dictionary.h"
 #include "bindings/core/v8/ExceptionMessages.h"
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "bindings/core/v8/ScriptCallStackFactory.h"
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "bindings/core/v8/V8DOMActivityLogger.h"
+#include "bindings/core/v8/V8Document.h"
 #include "core/css/CSSComputedStyleDeclaration.h"
 #include "core/css/CSSRuleList.h"
 #include "core/css/DOMWindowCSS.h"
 #include "core/css/MediaQueryList.h"
 #include "core/css/MediaQueryMatcher.h"
 #include "core/css/StyleMedia.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/dom/ContextFeatures.h"
 #include "core/dom/DOMImplementation.h"
 #include "core/dom/Document.h"
@@ skipping 14 matching lines @@
 #include "core/frame/EventHandlerRegistry.h"
 #include "core/frame/FrameConsole.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/History.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Location.h"
 #include "core/frame/Navigator.h"
 #include "core/frame/Screen.h"
 #include "core/frame/Settings.h"
+#include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/html/HTMLFrameOwnerElement.h"
 #include "core/inspector/ConsoleMessage.h"
 #include "core/inspector/ConsoleMessageStorage.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/inspector/InspectorTraceEvents.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoadRequest.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
@@ skipping 1807 matching lines @@
 DOMWindowLifecycleNotifier& LocalDOMWindow::lifecycleNotifier()
 {
     return static_cast<DOMWindowLifecycleNotifier&>(LifecycleContext<LocalDOMWindow>::lifecycleNotifier());
 }
 
 PassOwnPtr<LifecycleNotifier<LocalDOMWindow> > LocalDOMWindow::createLifecycleNotifier()
 {
     return DOMWindowLifecycleNotifier::create(this);
 }
 
+void LocalDOMWindow::replaceDocument(String documentSource, String contentType, String encodingName)
+{
+    ASSERT(m_frame);
+    RefPtrWillBeRawPtr<Document> oldDocument(m_document);
+
+    DocumentInit init(oldDocument->url(), m_frame);
+
+    bool forceXHTML = contentType == "text/plain";
+
+    RefPtrWillBeRawPtr<Document> newDocument = installNewDocument(contentType, init, forceXHTML);
+
+    // Before parsing, we need to save & detach the old document and get the new document
+    // in place. We have to do this only if we're rendering the result document.
+    if (FrameView* view = m_frame->view())
+        view->clear();
+
+    newDocument->updateSecurityOrigin(oldDocument->securityOrigin());
+    newDocument->setCookieURL(oldDocument->cookieURL());
+    newDocument->contentSecurityPolicy()->copyStateFrom(oldDocument->contentSecurityPolicy());
+
+    DocumentEncodingData data;
+    data.setEncoding(WTF::TextEncoding(encodingName));
+    newDocument->setEncodingData(data);
+
+    V8Document::PrivateScript::setTransformSourceDocumentMethod(m_frame, newDocument.get(), oldDocument.get());
+    newDocument->setContent(documentSource);
+}
+
 void LocalDOMWindow::trace(Visitor* visitor)
 {
     visitor->trace(m_document);
     visitor->trace(m_screen);
     visitor->trace(m_history);
     visitor->trace(m_locationbar);
     visitor->trace(m_menubar);
     visitor->trace(m_personalbar);
     visitor->trace(m_scrollbars);
     visitor->trace(m_statusbar);
     visitor->trace(m_toolbar);
     visitor->trace(m_console);
     visitor->trace(m_navigator);
     visitor->trace(m_location);
     visitor->trace(m_media);
     visitor->trace(m_sessionStorage);
     visitor->trace(m_localStorage);
     visitor->trace(m_applicationCache);
     visitor->trace(m_performance);
     visitor->trace(m_css);
     visitor->trace(m_eventQueue);
     WillBeHeapSupplementable<LocalDOMWindow>::trace(visitor);
     EventTargetWithInlineData::trace(visitor);
     LifecycleContext<LocalDOMWindow>::trace(visitor);
 }
 
 } // namespace blink