ericploeb, I copied the above pics from others' posts. The chute picture above is on the MR (the Mountaineer's Route), which is a steep non-trail alternate route up to Mt Whitney.

The Main Trail has an area west of the 99 switchbacks that some call a "chute", but it is more of a wide slope rather than a chute like the above. Here's the Main Trail info:
The chute on the main trail - where is it?