Enable chrome.mdns for Chrome Apps

chrome/common/extensions/api/_permission_features.json

Index: chrome/common/extensions/api/_permission_features.json
diff --git a/chrome/common/extensions/api/_permission_features.json b/chrome/common/extensions/api/_permission_features.json
index b40d5c7486974a8af692b1fab676aa92b560242a..1f90e2c74efd8ea81b8e7442bc6872fc164e84eb 100644
--- a/chrome/common/extensions/api/_permission_features.json
+++ b/chrome/common/extensions/api/_permission_features.json
@@ -724,9 +724,9 @@
       "A291B26E088FA6BA53FFD72F0916F06EBA7C585A"   // http://crbug.com/378067
     ]
   },
-  "mdns": {
+  "mdns": [{
     "channel": "stable",
-    "extension_types": ["extension", "platform_app"],
+    "extension_types": ["extension"],
     "whitelist": [
       "63ED55E43214C211F82122ED56407FF1A807F2A3",  // Dev
       "FA01E0B81978950F2BC5A50512FD769725F57510",  // Beta
@@ -736,9 +736,14 @@
       "11B478CEC461C766A2DC1E5BEEB7970AE06DC9C2",  // http://crbug.com/397691
       "0EFB879311E9EFBB7C45251F89EC655711B1F6ED",  // http://crbug.com/397691
       "9193D3A51E2FE33B496CDA53EA330423166E7F02",  // http://crbug.com/397691
-      "F9119B8B18C7C82B51E7BC6FF816B694F2EC3E89"   // http://crbug.com/397691
+      "F9119B8B18C7C82B51E7BC6FF816B694F2EC3E89"  // http://crbug.com/397691

[mark a. foltz, 2014/10/31 06:29:15]

Nit: Keep this space for alignment.

[Red Daly, 2014/11/17 22:50:01]

Done.

     ]
   },
+  {
+    "channel": "stable",
+    "extension_types": ["platform_app"], // Allow platform apps to access the API.

[mark a. foltz, 2014/10/31 06:29:15]

80 cols.

[Red Daly, 2014/11/17 22:50:01]

Done.

+    "whitelist": []
+  }],
   "musicManagerPrivate": {
     "channel": "stable",
     "extension_types": ["platform_app"],