1 files changed, 5 insertions, 0 deletions
diff --git a/shared/shared_globals.cpp b/shared/shared_globals.cpp
index bb2fcfb39..08d2368db 100644
--- a/shared/shared_globals.cpp
+++ b/shared/shared_globals.cpp
@@ -64,6 +64,11 @@ void GetScreenInfoFromNativeWindow(QWindow* window, WebKit::WebScreenInfo* resul
 }
 
 namespace content {
+class WebContentsImpl;
+class WebContentsViewPort;
+class WebContentsViewDelegate;
+class RenderViewHostDelegateView;
+
 WebContentsViewPort* CreateWebContentsView(WebContentsImpl*,
                                            WebContentsViewDelegate*,
                                            RenderViewHostDelegateView**)