[Extensions Bindings] Add support for maximum integers

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 141 matching lines @@
 
   {
     ArgumentSpec spec(*ValueFromString("{'type': 'integer', 'minimum': 1}"));
     ExpectSuccess(spec, "2", "2");
     ExpectSuccess(spec, "1", "1");
     ExpectFailure(spec, "0");
     ExpectFailure(spec, "-1");
   }
 
   {
+    ArgumentSpec spec(*ValueFromString("{'type': 'integer', 'maximum': 10}"));
+    ExpectSuccess(spec, "10", "10");
+    ExpectSuccess(spec, "1", "1");
+    ExpectFailure(spec, "11");
+  }
+
+  {
     ArgumentSpec spec(*ValueFromString("{'type': 'string'}"));
     ExpectSuccess(spec, "'foo'", "'foo'");
     ExpectSuccess(spec, "''", "''");
     ExpectFailure(spec, "1");
     ExpectFailure(spec, "{}");
     ExpectFailure(spec, "['foo']");
   }
 
   {
     ArgumentSpec spec(
@@ skipping 464 matching lines @@
         "{'type': 'array', 'items': {'type': 'integer'}, 'maxItems': 3}";
     ArgumentSpec spec(*ValueFromString(kMaxLengthArray));
     ExpectSuccess(spec, "[1, 2, 3]", "[1,2,3]");
     ExpectSuccess(spec, "[1, 2]", "[1,2]");
     ExpectSuccess(spec, "[]", "[]");
     ExpectFailure(spec, "[1, 2, 3, 4]");
   }
 }
 
 }  // namespace extensions