Physics.Raycast not working with Google Cardboard / Google VR

I have a Physics Raycaster attached to the Camera. The Pointer Click Event Trigger is working correctly. However I need to do it from the source code. These are my attempts:

private void SetOnPushButtonFireManager(){
    cardboard.OnTrigger += () => {
        Debug.Log("Button triggered!");
        RaycastHit hit;
        // if(Physics.Raycast(headGameObject.GetComponent<GvrHead>().Gaze, out hit, Mathf.Infinity)){
        if(Physics.Raycast(cameraGameObject.transform.position, cameraGameObject.transform.forward, out hit, Mathf.Infinity)){
              Debug.Log("Collision detected!");
        }
    };
}

"Button triggered!" is shown in the Console. Unfortunately "Collision detected!" is not. However the Pointer Click Event Trigger is working correctly (the component attached in the inspector). How can I know what is going on? Why isn't it working?

UPDATE: I have answered this answer here: http://answers.unity3d.com/answers/1200449/view.html

(stackoverflow does not allow me to delete this question)

Here's some code I've been using to fire a ray from the camera. I don't have Google Cardboard, this was setup for a camera and a mouse pointer.

   // Fire ray from camera
    float rayLength = 2f
    Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
    RaycastHit hit;

    // If ray hits object within length
    if (Physics.Raycast(ray, out hit, rayLength))
    {
            Debug.Log("Collision detected!:);
    }