Add enterprise policy to allow locally issued SHA-1 certificates.

chrome/test/data/policy/policy_test_cases.json

Index: chrome/test/data/policy/policy_test_cases.json
diff --git a/chrome/test/data/policy/policy_test_cases.json b/chrome/test/data/policy/policy_test_cases.json
index 5e1a390dd7c2a4cafaaf08ffd32eb68c11b3128e..f2630d99463bfc63f6a76cfe538bfded1a52a18c 100644
--- a/chrome/test/data/policy/policy_test_cases.json
+++ b/chrome/test/data/policy/policy_test_cases.json
@@ -586,6 +586,16 @@
     ]
   },
 
+  "EnableSha1ForLocalAnchors": {
+    "os": ["win", "linux", "mac", "chromeos", "android"],
+    "test_policy": { "EnableSha1ForLocalAnchors": true },
+    "pref_mappings": [
+      { "pref": "ssl.sha1_enabled_for_local_anchors",
+        "local_state": true
+      }
+    ]
+  },
+
   "AuthSchemes": {
     "os": ["win", "linux", "mac", "chromeos", "android"],
     "test_policy": { "AuthSchemes": "AuthSchemes" },