Index: third_party/WebKit/Source/core/input/ScrollManager.cpp |
diff --git a/third_party/WebKit/Source/core/input/ScrollManager.cpp b/third_party/WebKit/Source/core/input/ScrollManager.cpp |
index be52af5fff30e99680f1506e9651b0c6703a9ce1..e2b5f87c21ad4c19d5cb031d47a2764dac124547 100644 |
--- a/third_party/WebKit/Source/core/input/ScrollManager.cpp |
+++ b/third_party/WebKit/Source/core/input/ScrollManager.cpp |
@@ -136,7 +136,9 @@ void ScrollManager::RecomputeScrollChain(const Node& start_node, |
cur_element == document_element) |
break; |
- if (!CanPropagate(scroll_state, *cur_element)) |
+ if (!CanPropagate(scroll_state, *cur_element) && |
+ cur_element != |
+ frame_->GetDocument()->ViewportDefiningElement(nullptr)) |
break; |
} |