[Extensions] Use compiled feature files

tools/json_schema_compiler/test/features_test.json

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 {
   "alpha": {
     "channel": "stable",
     "contexts": ["blessed_extension"],
     "dependencies": ["permission:alpha"]
   },
   "beta": {
     "extension_types": ["extension", "platform_app"],
     "whitelist": ["aaa", "bbb"],
     "blacklist": ["zzz", "yyy"],
     "component_extensions_auto_granted": false
   },
   "gamma": {
     "channel": "beta",
     "platforms": ["win", "mac"],
     "contexts": ["blessed_extension"],
+    "dependencies": ["permission:gamma"],
     "extension_types": ["extension"],
     "internal": true
   },
   "gamma.child": {
     "whitelist": ["ccc"],
-    "dependencies": ["permission:gamma.child"],
+    "dependencies": [],
     "platforms": ["linux"]
   },
   "gamma.unparented": {
     "blacklist": ["ddd"],
     "contexts": ["unblessed_extension"],
     "noparent": true
   },
+  "gamma.complex_unparented": [{
+    "channel": "stable",
+    "contexts": ["unblessed_extension"],
+    "noparent": true
+  }, {
+    "channel": "stable",
+    "contexts": ["unblessed_extension"],
+    "noparent": true
+  }],
   "delta": {
     "contexts": ["blessed_extension", "webui"],
     "matches": ["*://example.com/*"]
   },
   "complex": [{
     "channel": "beta",
     "contexts": ["blessed_extension"],
     "extension_types": ["extension"],
     "whitelist": ["aaa"]
   }, {
     "channel": "stable",
     "contexts": ["blessed_extension"],
     "extension_types": ["extension"],
     "default_parent": true
   }],
   "complex.child": {
     "platforms": ["win"],
     "dependencies": ["permission:complex.child"]
   },
   "uncompiled": {
     "contexts": ["blessed_extension"],
     "nocompile": true
   }
 }