Support API aliases

tools/json_schema_compiler/test/features_test.json

Index: tools/json_schema_compiler/test/features_test.json
diff --git a/tools/json_schema_compiler/test/features_test.json b/tools/json_schema_compiler/test/features_test.json
index a26901fffce558220bfea71889e644207f7bc9c2..d345565adf52c3f319ba942bc09e397e9ad23d77 100644
--- a/tools/json_schema_compiler/test/features_test.json
+++ b/tools/json_schema_compiler/test/features_test.json
@@ -74,5 +74,41 @@
   "uncompiled": {
     "contexts": ["blessed_extension"],
     "nocompile": true
+  },
+  "alias": {
+    "channel": "stable",
+    "contexts": ["blessed_extension"],
+    "source": "alias_source" 
+  },
+  "alias_source": {
+    "channel": "stable",
+    "contexts": ["blessed_extension"],
+    "alias": "alias"
+  },
+  "complex_alias": [{
+    "channel": "beta",
+    "contexts": ["blessed_extension"],
+    "source": "complex_alias_source"
+  }, {
+    "channel": "dev",
+    "contexts": ["webui"]
+  }],
+  "complex_alias_source": [{
+    "channel": "beta",
+    "contexts": ["blessed_extension"],
+    "alias": "complex_alias"
+  }, {
+    "channel": "dev",
+    "contexts": ["webui"]
+  }],
+  "parent_source" : {
+    "channel": "beta",
+    "contexts": ["blessed_extension"],
+    "alias": "parent_source.alias"
+  },
+  "parent_source.alias" : {
+    "channel": "beta",
+    "contexts": ["blessed_extension"],
+    "source": "parent_source"
   }
 }