Index: cc/surfaces/surface_dependency_tracker.cc |
diff --git a/cc/surfaces/surface_dependency_tracker.cc b/cc/surfaces/surface_dependency_tracker.cc |
index 3b37d6ca2470f0e783af162c750e159cf6783c4d..652ecfe731b3d97edb77d43b00664451f00da6bf 100644 |
--- a/cc/surfaces/surface_dependency_tracker.cc |
+++ b/cc/surfaces/surface_dependency_tracker.cc |
@@ -49,7 +49,8 @@ |
surface->surface_id()); |
} |
- blocked_surfaces_by_id_.insert(surface->surface_id()); |
+ if (!blocked_surfaces_by_id_.count(surface->surface_id())) |
+ blocked_surfaces_by_id_.insert(surface->surface_id()); |
if (needs_deadline && !frames_since_deadline_set_) |
frames_since_deadline_set_ = 0; |