void InspectorDebuggerAgent::getStepInPositions(ErrorString* errorString, const String& callFrameId, RefPtr<Array<TypeBuilder::Debugger::Location> >& positions)
{
    if (!isPaused() || m_currentCallStack.isNull()) {
        *errorString = "Attempt to access callframe when debugger is not on pause";
        return;
    }
    InjectedScript injectedScript = m_injectedScriptManager->injectedScriptForObjectId(callFrameId);
    if (injectedScript.hasNoValue()) {
        *errorString = "Inspected frame has gone";
        return;
    }

    injectedScript.getStepInPositions(errorString, m_currentCallStack, callFrameId, positions);
}