Remove PPB_Var interface's scripting functionality.

ppapi/tests/test_var.h

-// Copyright (c) 2010 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.
-
-#ifndef PPAPI_TEST_TEST_VAR_H_
-#define PPAPI_TEST_TEST_VAR_H_
-
-#include <string>
-
-#include "ppapi/tests/test_case.h"
-
-struct PPB_Var;
-
-class TestVar : public TestCase {
- public:
-  explicit TestVar(TestingInstance* instance) : TestCase(instance) {}
-
-  // TestCase implementation.
-  virtual bool Init();
-  virtual void RunTest();
-
- private:
-  std::string TestConvertType();
-  std::string TestDefineProperty();
-
-  // Used by the tests that access the C API directly.
-  const PPB_Var* var_interface_;
-};
-
-#endif  // PPAPI_TEST_TEST_VAR_H_