[Extensions Bindings] Add a bridge to use current custom bindings

extensions/renderer/test_v8_extension_configuration.h

Index: extensions/renderer/test_v8_extension_configuration.h
diff --git a/extensions/renderer/test_v8_extension_configuration.h b/extensions/renderer/test_v8_extension_configuration.h
new file mode 100644
index 0000000000000000000000000000000000000000..9194a511ccef969057d35f73f0b688a14d54d070
--- /dev/null
+++ b/extensions/renderer/test_v8_extension_configuration.h
@@ -0,0 +1,37 @@
+// 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.
+
+#ifndef EXTENSIONS_RENDERER_TEST_V8_EXTENSION_CONFIGURATION_H_
+#define EXTENSIONS_RENDERER_TEST_V8_EXTENSION_CONFIGURATION_H_
+
+#include <memory>
+#include <vector>
+
+#include "base/macros.h"
+
+namespace v8 {
+class Extension;
+class ExtensionConfiguration;
+}
+
+namespace extensions {
+
+class TestV8ExtensionConfiguration {
+ public:
+  TestV8ExtensionConfiguration();
+  ~TestV8ExtensionConfiguration();
+
+  static v8::ExtensionConfiguration* GetConfiguration();
+
+ private:
+  std::unique_ptr<v8::Extension> safe_builtins_;
+  std::vector<const char*> v8_extension_names_;
+  std::unique_ptr<v8::ExtensionConfiguration> v8_extension_configuration_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestV8ExtensionConfiguration);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_RENDERER_TEST_V8_EXTENSION_CONFIGURATION_H_