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Unified Diff: content/common/frame_messages.h

Issue 2431473003: Intersection Observer support for OOPIF (Closed)
Patch Set: Applying root scroll offset better Created 4 years ago
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Index: content/common/frame_messages.h
diff --git a/content/common/frame_messages.h b/content/common/frame_messages.h
index 478fb113446a462c6672f838adf9d9fed0eb86b8..050a80ee2b68f293844dd46cfa9e0a495765a30f 100644
--- a/content/common/frame_messages.h
+++ b/content/common/frame_messages.h
@@ -1279,6 +1279,11 @@ IPC_MESSAGE_ROUTED1(FrameHostMsg_ForwardInputEvent,
// position of a child's ancestor has changed).
IPC_MESSAGE_ROUTED1(FrameHostMsg_FrameRectChanged, gfx::Rect /* frame_rect */)
+// Sent by a parent frame to update its child's viewport intersection rect for
+// use by the IntersectionObserver API.
+IPC_MESSAGE_ROUTED1(FrameHostMsg_UpdateViewportIntersection,
+ gfx::Rect /* viewport_intersection */)
+
// Informs the child that the frame has changed visibility.
IPC_MESSAGE_ROUTED1(FrameHostMsg_VisibilityChanged, bool /* visible */)
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