function didSetBreakpoint(error, breakpointId, actualLocation)
        {
            if (callback) {
                var location = WebInspector.DebuggerModel.Location.fromPayload(this, actualLocation);
                callback(error ? null : breakpointId, [location]);
            }
        }
@this {WebInspector.DebuggerModel}
@param {?Protocol.Error} error
@param {!DebuggerAgent.BreakpointId} breakpointId
@param {!DebuggerAgent.Location} actualLocation