Cache result of ScriptNameOrSourceURL function. The function is quite slow on large(several MBs) scripts which causes significant slowdown when capturing stack trace for such scripts. Review URL: https://chromiumcodereview.appspot.com/9564012
Cache result of ScriptNameOrSourceURL function. The function is quite slow on large(several MBs) scripts which causes significant slowdown when capturing stack trace for such scripts.
Review URL: https://chromiumcodereview.appspot.com/9564012

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@10902 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh