Add a New Tab page location group policy

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 00dd1324438e30c69022f709b915337d853001ca..6421d9b9b66954289c0cf5ec6a28c3f87e5b024e 100644
--- a/chrome/test/data/policy/policy_test_cases.json
+++ b/chrome/test/data/policy/policy_test_cases.json
@@ -62,6 +62,22 @@
     ]
   },
 
+  "NewTabPageLocation": {
+    "os": ["win", "linux", "mac", "chromeos"],
+    "can_be_recommended": true,
+    "test_policy": { "NewTabPageLocation": "http://chromium.org" },
+    "pref_mappings": [
+      { "pref": "homepage",

[pastarmovj, 2017/01/19 14:56:21]

Shouldn't this be "newtab_page_location_override"?

[MAD, 2017/01/19 16:13:30]

Done.

+        "indicator_tests": [
+          { "policy": { "NewTabPageLocation": "http://chromium.org" } },
+          { "policy": { "NewTabPageLocation": "http://chromium.org" },
+            "readonly": true
+          }
+        ]
+      }
+    ]
+  },
+
   "DefaultBrowserSettingEnabled": {
     "os": ["win", "mac", "linux"],
     "test_policy": { "DefaultBrowserSettingEnabled": true },