Extension Docs Server Version 2: Various fixes.

chrome/common/extensions/docs/server2/test_data/test_json/expected_test_file.json

 {
   "functions": [
     {
       "callback": {
         "simple_type": {
           "simple_type": "function"
         }, 
         "last": true, 
         "name": "callback", 
         "parameters": [
@@ skipping 107 matching lines @@
             }, 
             "optional": false, 
             "properties": [], 
             "description": null
           }, 
           "optional": true, 
           "properties": [], 
           "description": "List of TypeA."
         }
       ], 
+      "events": [],
       "functions": [], 
       "name": "TypeA", 
       "simple_type": "object", 
       "description": "A cool thing."
     }
   ], 
   "events": [
     {
       "name": "EventA", 
       "parameters": [
@@ skipping 15 matching lines @@
           }, 
           "optional": false, 
           "properties": [], 
           "description": null
         }
       ], 
       "description": "A cool event."
     }
   ]
 }