3 files changed, 12 insertions, 4 deletions
diff --git a/src/webenginewidgets/api/qwebenginehistory.cpp b/src/webenginewidgets/api/qwebenginehistory.cpp
index d9e9b9c9f..7079bdfc7 100644
--- a/src/webenginewidgets/api/qwebenginehistory.cpp
+++ b/src/webenginewidgets/api/qwebenginehistory.cpp
@@ -281,15 +281,13 @@ void QWebEngineHistory::setMaximumItemCount(int count)
 
 QDataStream& operator<<(QDataStream& stream, const QWebEngineHistory& history)
 {
-    Q_UNUSED(history);
-    qWarning("Not implemented: %s", __func__);
+    history.d_func()->page->webContents()->serializeNavigationHistory(stream);
     return stream;
 }
 
 QDataStream& operator>>(QDataStream& stream, QWebEngineHistory& history)
 {
-    Q_UNUSED(history);
-    qWarning("Not implemented: %s", __func__);
+    history.d_func()->page->recreateFromSerializedHistory(stream);
     return stream;
 }
 
diff --git a/src/webenginewidgets/api/qwebenginepage.cpp b/src/webenginewidgets/api/qwebenginepage.cpp
index b6c84de6c..e9ad17cf0 100644
--- a/src/webenginewidgets/api/qwebenginepage.cpp
+++ b/src/webenginewidgets/api/qwebenginepage.cpp
@@ -354,6 +354,15 @@ void QWebEnginePagePrivate::_q_webActionTriggered(bool checked)
 }
 #endif // QT_NO_ACTION
 
+void QWebEnginePagePrivate::recreateFromSerializedHistory(QDataStream &input)
+{
+    QExplicitlySharedDataPointer<WebContentsAdapter> newWebContents = WebContentsAdapter::createFromSerializedNavigationHistory(input, this, WebContentsAdapterClient::SoftwareRenderingMode);
+    if (newWebContents) {
+        adapter = newWebContents.data();
+        adapter->initialize(this);
+    }
+}
+
 QWebEnginePage::QWebEnginePage(QObject* parent)
     : QObject(*new QWebEnginePagePrivate, parent)
 {
diff --git a/src/webenginewidgets/api/qwebenginepage_p.h b/src/webenginewidgets/api/qwebenginepage_p.h
index a69866cbd..927519008 100644
--- a/src/webenginewidgets/api/qwebenginepage_p.h
+++ b/src/webenginewidgets/api/qwebenginepage_p.h
@@ -142,6 +142,7 @@ public:
     void _q_webActionTriggered(bool checked);
 
     WebContentsAdapter *webContents() { return adapter.data(); }
+    void recreateFromSerializedHistory(QDataStream &input);
 
     QExplicitlySharedDataPointer<WebContentsAdapter> adapter;
     QWebEngineHistory *history;