Add policies for controlling the roaming profile status and location.

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 b7d88e6a2f01cac01d55b569a65b12c4663b8e3e..68aeb70d5a277af329698debcf3bcb27f5de1347 100644
--- a/chrome/test/data/policy/policy_test_cases.json
+++ b/chrome/test/data/policy/policy_test_cases.json
@@ -2082,6 +2082,23 @@
     ]
   },
 
+  "RoamingProfileSupportEnabled": {
+    "os": ["win"],
+    "test_policy": { "RoamingProfileSupportEnabled": true },
+    "pref_mappings": [
+      { "pref": "sync.enable_local_sync_backend" }
+    ]
+  },
+
+  "RoamingProfileLocation": {
+    "os": ["win"],
+    "test_policy": { "RoamingProfileLocation": "${roaming_app_data}" },
+    "pref_mappings": [
+      { "pref": "sync.local_sync_backend_dir" }
+    ]
+  },
+
+
   "----- Chrome OS policies ------------------------------------------------": {},
 
   "ChromeOsLockOnIdleSuspend": {