Here are the directions for the Unibody screen removal: MacBook Pro 15" Unibody Mid 2010 Front Display Glass Replacement
Note you will need a heat gun and the suction cups help.
Here's the heat gun I use: Heat Gun
Here's the suction cups: Heavy-Duty Suction Cups (Pair)
Two 2.25" diameter suction cups used for lifting display glass off Aluminum iMacs. A must-have tool when repairing or replacing broken, cracked, or shattered iMac screens. — 50+ available at 14.95 each.
Loosen adhesive or reflow solder with this 1500W heat gun. Low setting reaches 570 degrees F high setting reaches 1112 degrees F. Perfect for loosening adhesive on iPads or other tablets. Perfect for reflowing an Xbox Red Ring of Death (RROD). — 50+ available at 24.95 each.