Update performance expectations for chrome-text.

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 1931b7c79e64859be406b5f9279cf9d8a32fb476..9db576d9a92ea2978b2af639ae49c9cbb3f65804 100644
--- a/tools/perf_expectations/perf_expectations.json
+++ b/tools/perf_expectations/perf_expectations.json
@@ -1,7 +1,7 @@
 {"linux-release-64/sizes/chrome-bss/bss": {"reva": 150377, "revb": 150377, "type": "absolute", "better": "lower", "improve": 496954, "regress": 549266, "sha1": "9ec40fb9"},
  "linux-release-64/sizes/chrome-data/data": {"reva": 149175, "revb": 149210, "type": "absolute", "better": "lower", "improve": 2687018, "regress": 2969871, "sha1": "5833dabd"},
  "linux-release-64/sizes/chrome-si/initializers": {"reva": 145035, "revb": 145035, "type": "absolute", "better": "lower", "improve": 43, "regress": 43, "tolerance": 0, "sha1": "fa5fa232"},
- "linux-release-64/sizes/chrome-text/text": {"reva": 140708, "revb": 140809, "type": "absolute", "better": "lower", "improve": 72677056, "regress": 80362461, "sha1": "3f8348cd"},
+ "linux-release-64/sizes/chrome-text/text": {"reva": 150665, "revb": 150665, "type": "absolute", "better": "lower", "improve": 76345499, "regress": 84381869, "sha1": "3470d257"},
  "linux-release-64/sizes/chrome.pak/chrome.pak": {"reva": 144090, "revb": 146227, "type": "absolute", "better": "lower", "improve": 3707774, "regress": 4832382, "sha1": "d7e07c9a"},
  "linux-release-64/sizes/chrome/chrome": {"reva": 148945, "revb": 149055, "type": "absolute", "improve": 99348704, "regress": 109933875, "sha1": "2be6d661"},
  "linux-release-64/sizes/nacl_helper-bss/bss": {"reva": 150377, "revb": 150377, "type": "absolute", "better": "lower", "improve": 287694, "regress": 317978, "sha1": "fd06a1cd"},