Index: third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp |
diff --git a/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp b/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp |
index 83eaff908273c2b21d79a2bde39995a859a1043f..b23ddde5586462d782b427e1d0421f9934f862c0 100644 |
--- a/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp |
+++ b/third_party/WebKit/Source/bindings/core/v8/ScriptWrappableVisitor.cpp |
@@ -77,6 +77,8 @@ size_t ScriptWrappableVisitor::NumberOfWrappersToTrace() { |
} |
void ScriptWrappableVisitor::performCleanup() { |
+ CHECK(!m_tracingInProgress); |
+ |
if (!m_shouldCleanup) |
return; |