didEnqueueMutationRecord 335 Source/core/inspector/AsyncCallStackTracker.cpp void AsyncCallStackTracker::didEnqueueMutationRecord(ExecutionContext* context, MutationObserver* observer, const ScriptValue& callFrames) didEnqueueMutationRecord 759 Source/core/inspector/InspectorDebuggerAgent.cpp void InspectorDebuggerAgent::didEnqueueMutationRecord(ExecutionContext* context, MutationObserver* observer)