[Externs] Support binary/ArrayBuffer type

tools/json_schema_compiler/js_util.py

 # Copyright 2015 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.
 
 from code import Code
 from model import PropertyType
 
 from datetime import datetime
 
 LICENSE = """// Copyright %s The Chromium Authors. All rights reserved.
@@ skipping 130 matching lines @@
       c = Code()
       c.Append('(')
       for i, choice in enumerate(js_type.choices):
         c.Concat(self._TypeToJsType(namespace_name, choice), new_line=False)
         if i is not len(js_type.choices) - 1:
           c.Append('|', new_line=False)
       c.Append(')', new_line=False)
       return c
     if js_type.property_type is PropertyType.FUNCTION:
       return self._FunctionToJsFunction(namespace_name, js_type.function)
+    if js_type.property_type is PropertyType.BINARY:
+      return Code().Append('ArrayBuffer')
     if js_type.property_type is PropertyType.ANY:
       return Code().Append('*')
     if js_type.property_type.is_fundamental:
       return Code().Append(js_type.property_type.name)
     return Code().Append('?') # TODO(tbreisacher): Make this more specific.
 
   def GetSeeLink(self, namespace_name, object_type, object_name):
     """Returns a @see link for a given API 'object' (type, method, or event).
     """
 
     # NOTE(devlin): This is kind of a hack. Some APIs will be hosted on
     # developer.chrome.com/apps/ instead of /extensions/, and some APIs have
     # '.'s in them (like app.window), which should resolve to 'app_window'.
     # Luckily, the doc server has excellent url resolution, and knows exactly
     # what we mean. This saves us from needing any complicated logic here.
     return ('@see https://developer.chrome.com/extensions/%s#%s-%s' %
                 (namespace_name, object_type, object_name))