Make the history component its own module. Bug #107302 r=bryner sr=leaf git-svn-id: svn://10.0.0.236/trunk@144893 18797224-902f-48f8-a5cc-f745e15eee43
Make the history component its own module. Bug #107302 r=bryner sr=leaf git-svn-id: svn://10.0.0.236/trunk@144893 18797224-902f-48f8-a5cc-f745e15eee43