README

This folder is copy from PerformanceTests folder in webkit's repo (https://github.com/WebKit/webkit/tree/master/PerformanceTests).

Revision: dbcb3d8abc51bc83065723a8b61f8591249a2bb0 Local modification: trailing whitespaces are stripped. All files that have executable bit set are unset to bypass Chromium PRESUBMIT.