IsolatedWorldIdLimit  117 Source/bindings/v8/DOMWrapperWorld.cpp     return MainWorldId < worldId  && worldId < IsolatedWorldIdLimit;
IsolatedWorldIdLimit  112 Source/bindings/v8/DOMWrapperWorld.h     bool isIsolatedWorld() const { return MainWorldId < m_worldId  && m_worldId < IsolatedWorldIdLimit; }