| Index: third_party/WebKit/Source/core/dom/ElementVisibilityObserver.h
|
| diff --git a/third_party/WebKit/Source/core/dom/ElementVisibilityObserver.h b/third_party/WebKit/Source/core/dom/ElementVisibilityObserver.h
|
| index 9e0b69c483cdbee94d7b40a13d37e5d5de95ee8f..ef982b86225a44b8e8c7a90d1d210dbcbdce7805 100644
|
| --- a/third_party/WebKit/Source/core/dom/ElementVisibilityObserver.h
|
| +++ b/third_party/WebKit/Source/core/dom/ElementVisibilityObserver.h
|
| @@ -33,7 +33,8 @@ class CORE_EXPORT ElementVisibilityObserver final
|
| ElementVisibilityObserver(Element*, std::unique_ptr<VisibilityCallback>);
|
| virtual ~ElementVisibilityObserver();
|
|
|
| - void Start();
|
| + // The |threshold| is the minimum fraction that needs to be visible.
|
| + void Start(float threshold = 0.0);
|
| void Stop();
|
|
|
| void DeliverObservationsForTesting();
|
|
|