Teach dom_perf.py to look in out/ on mac when using make or ninja. Review URL: https://chromiumcodereview.appspot.com/9600073
Teach dom_perf.py to look in out/ on mac when using make or ninja.
Review URL: https://chromiumcodereview.appspot.com/9600073

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@125450 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build