[JSC] re-implement String#padStart and String#padEnd in JavaScript
https://bugs.webkit.org/show_bug.cgi?id=157146
Reviewed by Saam Barati.
* builtins/StringPrototype.js:
(repeatCharactersSlowPath):
(padStart):
(padEnd):
* runtime/JSGlobalObject.cpp:
(JSC::JSGlobalObject::init):
* runtime/StringPrototype.cpp:
(JSC::StringPrototype::finishCreation): Deleted.
(JSC::repeatStringPattern): Deleted.
(JSC::padString): Deleted.
(JSC::stringProtoFuncPadEnd): Deleted.
(JSC::stringProtoFuncPadStart): Deleted.
git-svn-id: https://svn.webkit.org/repository/webkit/trunk@200210
268f45cc-cd09-0410-ab3c-
d52691b4dbfc