1 files changed, 4 insertions, 0 deletions
diff --git a/src/core/dev_tools_http_handler_delegate_qt.h b/src/core/dev_tools_http_handler_delegate_qt.h
index ec934ce35..902e99507 100644
--- a/src/core/dev_tools_http_handler_delegate_qt.h
+++ b/src/core/dev_tools_http_handler_delegate_qt.h
@@ -53,6 +53,8 @@ class DevToolsHttpHandler;
 class RenderViewHost;
 }
 
+namespace QtWebEngineCore {
+
 class DevToolsHttpHandlerDelegateQt : public content::DevToolsHttpHandlerDelegate {
 public:
 
@@ -84,4 +86,6 @@ public:
     std::string GetPageThumbnailData(const GURL &url) Q_DECL_OVERRIDE;
 };
 
+} // namespace QtWebEngineCore
+
 #endif // DEV_TOOLS_HTTP_HANDLER_DELEGATE_QT_H