Perf sheriffing...

http://build.chromium.org/f/chromium/perf/chromium-rel-win7-dual/dom_perf/report.html?history=550&rev=170452
-> rebaseline, noisy

http://build.chromium.org/f/chromium/perf/xp-release-dual-core/moz/report.html?history=150&rev=170399
-> rebaseline, noisy

http://build.chromium.org/f/chromium/perf/linux-release-lowmem/dom_perf/report.html?history=250&rev=170467
-> rebaseline, noisy

BUG=None
TBR=cmp

Review URL: https://codereview.chromium.org/11418278

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@170643 0039d316-1c4b-4281-b951-d872f2087c98

tools/perf_expectations/perf_expectations.json

 {"chromium-rel-win7-dual/dhtml/times/t": {"reva": 158193, "revb": 158364, "improve": -1339, "regress": 1295, "sha1": "9c4c56bf"},
- "chromium-rel-win7-dual/dom_perf/Total/score": {"reva": 166847, "revb": 166914, "improve": 122, "regress": -16, "sha1": "68145117"},
+ "chromium-rel-win7-dual/dom_perf/Total/score": {"reva": 168485, "revb": 170452, "improve": 298, "regress": 43, "sha1": "85f95688"},
  "chromium-rel-win7-dual/intl1/times/t": {"reva": 167700, "revb": 168105, "improve": 379.366666673, "regress": 537.716666665, "sha1": "7f39f944"},
  "chromium-rel-win7-dual/intl2/times/t": {"reva": 167700, "revb": 168105, "improve": 154.638888891, "regress": 424.666666673, "sha1": "3d4a833d"},
  "chromium-rel-win7-dual/morejs/times/t": {"reva": 167700, "revb": 168105, "improve": -33.2500000003, "regress": -16.2555555564, "sha1": "b7af2562"},
@@ -29,7 +29,7 @@
  "linux-release-lowmem/database/select-readtransactions-read-results/t": {"reva": 137912, "revb": 138066, "improve": -259, "regress": 43, "sha1": "134b7c2d"},
  "linux-release-lowmem/database/select-readtransactions/t": {"reva": 137912, "revb": 138066, "improve": -271, "regress": 24, "sha1": "e47556fa"},
  "linux-release-lowmem/dhtml/times/t": {"reva": 166855, "revb": 167087, "improve": -247, "regress": -62, "sha1": "c836e2b1"},
- "linux-release-lowmem/dom_perf/Total/score": {"reva": 158248, "revb": 158371, "improve": 145, "regress": 20, "sha1": "17ac29ed"},
+ "linux-release-lowmem/dom_perf/Total/score": {"reva": 168262, "revb": 170467, "improve": 333, "regress": 135, "sha1": "648adaec"},
  "linux-release-lowmem/indexeddb/basic_insert/t": {"reva": 81070, "revb": 81884, "improve": -921, "regress": 824, "sha1": "0bbdebb6"},
  "linux-release-lowmem/intl1/times/t": {"reva": 166855, "revb": 167087, "improve": -317, "regress": 418, "sha1": "1d81a8cb"},
  "linux-release-lowmem/intl2/times/t": {"reva": 166855, "revb": 167087, "improve": -268, "regress": -81, "sha1": "4c2cc6c6"},
@@ -782,7 +782,7 @@
  "xp-release-dual-core/intl1/times/t": {"reva": 166855, "revb": 166912, "improve": 251, "regress": 411, "sha1": "c1b8418d"},
  "xp-release-dual-core/intl2/times/t": {"reva": 166857, "revb": 166912, "improve": 100, "regress": 202, "sha1": "abe03598"},
  "xp-release-dual-core/morejs/times/t": {"reva": 131574, "revb": 127228, "improve": -452, "regress": 456, "sha1": "21ef0dc0"},
- "xp-release-dual-core/moz/times/t": {"reva": 166855, "revb": 166912, "improve": 16, "regress": 91, "sha1": "2ca61c5a"},
+ "xp-release-dual-core/moz/times/t": {"reva": 170107, "revb": 170399, "improve": 75.8944444455, "regress": 179.55, "sha1": "a974270e"},
  "xp-release-dual-core/moz/ws_peak_b/ws_pk_b": {"reva": 169196, "revb": 170237, "improve": 6412697, "regress": 7272653, "sha1": "2630dbb8"},
  "xp-release-dual-core/moz/ws_peak_r/ws_pk_r": {"reva": 148248, "revb": 148263, "improve": -1802036, "regress": 63858279, "sha1": "78505d9a"},
  "xp-release-dual-core/startup/warm/t": {"reva": 76825, "revb": 77094, "improve": -107, "regress": 141, "sha1": "e0dcf672"},