XSLT-in-PrivateScript

Source/core/frame/LocalDOMWindow.cpp

Index: Source/core/frame/LocalDOMWindow.cpp
diff --git a/Source/core/frame/LocalDOMWindow.cpp b/Source/core/frame/LocalDOMWindow.cpp
index 7ee9063c803257a93a00d294f0d933139efea4ec..ab8978ea135f1afe80b43837dffee13403995674 100644
--- a/Source/core/frame/LocalDOMWindow.cpp
+++ b/Source/core/frame/LocalDOMWindow.cpp
@@ -35,6 +35,7 @@
 #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"
@@ -70,6 +71,7 @@
 #include "core/frame/Screen.h"
 #include "core/frame/ScrollOptions.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"
@@ -1923,6 +1925,34 @@ PassOwnPtr<LifecycleNotifier<LocalDOMWindow> > LocalDOMWindow::createLifecycleNo
     return DOMWindowLifecycleNotifier::create(this);
 }
 
+void LocalDOMWindow::replaceDocument(String documentSource, String contentType, String encodingName)
+{
+    ASSERT(frame());
+    RefPtrWillBeRawPtr<Document> oldDocument(m_document);
+
+    DocumentInit init(oldDocument->url(), 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 = 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(frame(), newDocument.get(), oldDocument.get());
+    newDocument->setContent(documentSource);
+}
+
 void LocalDOMWindow::trace(Visitor* visitor)
 {
 #if ENABLE(OILPAN)