Index: content/public/renderer/render_frame_observer.h |
diff --git a/content/public/renderer/render_frame_observer.h b/content/public/renderer/render_frame_observer.h |
index 63c73a5e7fbb0f113c8866ff639120cf9341e996..ac836bb809b3dd0f8d2eee93c487bea0b3e59681 100644 |
--- a/content/public/renderer/render_frame_observer.h |
+++ b/content/public/renderer/render_frame_observer.h |
@@ -39,6 +39,10 @@ class CONTENT_EXPORT RenderFrameObserver : public IPC::Listener, |
// Called when a load is explicitly stopped by the user or browser. |
virtual void OnStop() {} |
+ // Called when the RenderFrame visiblity is changed. |
+ virtual void WasHidden() {} |
+ virtual void WasShown() {} |
+ |
// These match the Blink API notifications |
virtual void DidCommitProvisionalLoad(bool is_new_navigation) {} |
virtual void DidStartProvisionalLoad() {} |