[Extensions Bindings] Allow schema violations through sendRequest

extensions/renderer/argument_spec_unittest.cc

 // 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.
 
 #include "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "extensions/renderer/api_binding_test_util.h"
 #include "extensions/renderer/api_type_reference_map.h"
 #include "extensions/renderer/argument_spec.h"
 #include "gin/converter.h"
@@ skipping 250 matching lines @@
         "Object.defineProperty(\n"
         "    x, 'prop2',\n"
         "    { get: () => { throw new Error('Badness'); } });\n"
         "x;",
         "Uncaught Error: Badness");
   }
 
   {
     const char kFunctionSpec[] = "{ 'type': 'function' }";
     ArgumentSpec spec(*ValueFromString(kFunctionSpec));
+    // Functions are parsed to empty dictionary values.
+    ExpectSuccess(spec, "(function() {})", "{}");
     ExpectSuccessWithNoConversion(spec, "(function() {})");
     ExpectSuccessWithNoConversion(spec, "(function(a, b) { a(); b(); })");
     ExpectSuccessWithNoConversion(spec, "(function(a, b) { a(); b(); })");
     ExpectFailureWithNoConversion(spec, "({a: function() {}})");
     ExpectFailureWithNoConversion(spec, "([function() {}])");
     ExpectFailureWithNoConversion(spec, "1");
   }
 
   {
     const char kBinarySpec[] = "{ 'type': 'binary' }";
@@ skipping 295 matching lines @@
     ExpectFailure(spec, "({})");
     ExpectFailure(spec,
                   "(function() {\n"
                   "  function otherClass() {}\n"
                   "  return new otherClass();\n"
                   "})()");
   }
 }
 
 }  // namespace extensions