1 files changed, 4 insertions, 0 deletions
diff --git a/src/core/delegated_frame_node.h b/src/core/delegated_frame_node.h
index 5b361e99d..60a1535d2 100644
--- a/src/core/delegated_frame_node.h
+++ b/src/core/delegated_frame_node.h
@@ -57,6 +57,8 @@ namespace cc {
 class DelegatedFrameData;
 }
 
+namespace QtWebEngineCore {
+
 class MailboxTexture;
 class ResourceHolder;
 
@@ -98,4 +100,6 @@ private:
     QMutex m_mutex;
 };
 
+} // namespace QtWebEngineCore
+
 #endif // DELEGATED_FRAME_NODE_H