1 files changed, 6 insertions, 1 deletions
diff --git a/src/core/user_script_controller_host.h b/src/core/user_script_controller_host.h
index 790d40912..293b5d2dd 100644
--- a/src/core/user_script_controller_host.h
+++ b/src/core/user_script_controller_host.h
@@ -43,12 +43,15 @@
 #include <QtCore/QScopedPointer>
 #include "user_script.h"
 
-class WebContentsAdapterPrivate;
 namespace content {
 class RenderProcessHost;
 class WebContents;
 }
+
+namespace QtWebEngineCore {
+
 class WebContentsAdapter;
+class WebContentsAdapterPrivate;
 
 class QWEBENGINE_EXPORT UserScriptControllerHost {
 
@@ -79,4 +82,6 @@ private:
     QScopedPointer<RenderProcessObserverHelper> m_renderProcessObserver;
 };
 
+} // namespace
+
 #endif // USER_SCRIPT_CONTROLLER_HOST_H