Revert Trim Session is a new feature in Premiere Pro CC 2015 that undoes trim edits made in Trim Mode and returns the edit point to it's original position. This tutorial shows how to set up the Revert Trim Session button and keyboard shortcut in Premiere Pro CC 2015.
Revert Trim Session keyboard shortcut example: Ctrl+Cmd+Z
The Revert Trim Session button can be added the transport control bar of the Program Monitor.