tasksNeedSuspension  870 Source/core/dom/Document.h     virtual bool tasksNeedSuspension() OVERRIDE FINAL;
tasksNeedSuspension  101 Source/core/dom/ExecutionContext.h     virtual bool tasksNeedSuspension() { return false; }
tasksNeedSuspension   83 Source/core/dom/MainThreadTaskRunner.cpp     if (m_context->tasksNeedSuspension() || !m_pendingTasks.isEmpty()) {