For our project, we want to open our electron app from tray with a keypress on "Scroll Lock" (js keycode 145) but this is no registered accelerator that we can use.
atom/common/keyboard_util.cc
return ui::VKEY_NUMPAD0;
  } else if (str == "num1") {
    return ui::VKEY_NUMPAD1;
  } else if (str == "num2") {
    return ui::VKEY_NUMPAD2;
  } else if (str == "num3") {
    return ui::VKEY_NUMPAD3;
  } else if (str == "num4") {
    return ui::VKEY_NUMPAD4;
  } else if (str == "num5") {
    return ui::VKEY_NUMPAD5;
  } else if (str == "num6") {
    return ui::VKEY_NUMPAD6;
  } else if (str == "num7") {
    return ui::VKEY_NUMPAD7;
  } else if (str == "num8") {
    return ui::VKEY_NUMPAD8;
  } else if (str == "num9") {
    return ui::VKEY_NUMPAD9;
  } else if (str == "numadd") {
    return ui::VKEY_ADD;
  } else if (str == "nummult") {
    return ui::VKEY_MULTIPLY;
  } else if (str == "numdec") {
    return ui::VKEY_DECIMAL;
  } else if (str == "numsub") {
    return ui::VKEY_SUBTRACT;
  } else if (str == "numdiv") {
    return ui::VKEY_DIVIDE;
  } else if (str == "space") {