Update perf expectations for chrome-si.

tools/perf_expectations/perf_expectations.json

Index: tools/perf_expectations/perf_expectations.json
diff --git a/tools/perf_expectations/perf_expectations.json b/tools/perf_expectations/perf_expectations.json
index e8b1fe711169815409dc329edeec084028ba351b..b948f6ea3dc948703f6e724abcbedf15389b5d74 100644
--- a/tools/perf_expectations/perf_expectations.json
+++ b/tools/perf_expectations/perf_expectations.json
@@ -1,6 +1,6 @@
 {"linux-release-64/sizes/chrome-bss/bss": {"reva": 91085, "revb": 91326, "type": "absolute", "improve": 565495, "regress": 625223, "sha1": "eac0d7ac"},
  "linux-release-64/sizes/chrome-data/data": {"reva": 91119, "revb": 91326, "type": "absolute", "improve": 2309480, "regress": 2557742, "sha1": "fd84a9d2"},
- "linux-release-64/sizes/chrome-si/initializers": {"reva": 90971, "revb": 91326, "type": "absolute", "improve": 389, "regress": 431, "sha1": "f1eefcfd"},
+ "linux-release-64/sizes/chrome-si/initializers": {"reva": 98800, "revb": 98828, "type": "absolute", "improve": 377, "regress": 417, "sha1": "b68e1a69"},
  "linux-release-64/sizes/chrome-text/text": {"reva": 91010, "revb": 91326, "type": "absolute", "improve": 58265824, "regress": 64542416, "sha1": "e45ea3d9"},
  "linux-release-64/sizes/chrome.pak/chrome.pak": {"reva": 93584, "revb": 93660, "type": "absolute", "improve": 2922846, "regress": 3230516, "sha1": "a32b48c6"},
  "linux-release-64/sizes/chrome/chrome": {"reva": 91177, "revb": 91321, "type": "absolute", "improve": 75401522, "regress": 83416007, "sha1": "98a0048f"},
@@ -47,7 +47,7 @@
  "linux-release/moz/times/t": {"improve": -15, "regress": 15, "sha1": "6e690f60"},
  "linux-release/sizes/chrome-bss/bss": {"reva": 91085, "revb": 91326, "type": "absolute", "improve": 328321, "regress": 362950, "sha1": "6718b4cc"},
  "linux-release/sizes/chrome-data/data": {"reva": 98413, "revb": 98423, "type": "absolute", "improve": 1199515, "regress": 1325781, "sha1": "e8545530"},
- "linux-release/sizes/chrome-si/initializers": {"reva": 90971, "revb": 91326, "type": "absolute", "improve": 392, "regress": 434, "sha1": "3f96304c"},
+ "linux-release/sizes/chrome-si/initializers": {"reva": 98800, "revb": 98828, "type": "absolute", "improve": 380, "regress": 420, "sha1": "b1463843"},
  "linux-release/sizes/chrome-text/text": {"reva": 91010, "revb": 91326, "type": "absolute", "improve": 50924512, "regress": 56409963, "sha1": "c6eabdc8"},
  "linux-release/sizes/chrome.pak/chrome.pak": {"reva": 93584, "revb": 93660, "type": "absolute", "improve": 2922846, "regress": 3230516, "sha1": "71901043"},
  "linux-release/sizes/chrome/chrome": {"reva": 91177, "revb": 91321, "type": "absolute", "improve": 65341452, "regress": 72282009, "sha1": "d05e65ea"},