Move extensions bindings code out of //chrome

chrome/renderer/extensions/binding_generating_native_handler.h

-// Copyright (c) 2012 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 CHROME_RENDERER_EXTENSIONS_BINDING_GENERATING_NATIVE_HANDLER_H_
-#define CHROME_RENDERER_EXTENSIONS_BINDING_GENERATING_NATIVE_HANDLER_H_
-
-#include <string>
-
-#include "base/compiler_specific.h"
-#include "extensions/renderer/native_handler.h"
-
-namespace extensions {
-
-class ModuleSystem;
-
-// Generates API bindings based on the JSON/IDL schemas. This is done by
-// creating a |Binding| (from binding.js) for the schema and generating the
-// bindings from that.
-class BindingGeneratingNativeHandler : public NativeHandler {
- public:
-  // Generates binding for |api_name|, and sets the |bind_to| property on the
-  // Object returned by |NewInstance| to the generated binding.
-  BindingGeneratingNativeHandler(ModuleSystem* module_system,
-                                 const std::string& api_name,
-                                 const std::string& bind_to);
-
-  virtual v8::Handle<v8::Object> NewInstance() OVERRIDE;
-
- private:
-  ModuleSystem* module_system_;
-  std::string api_name_;
-  std::string bind_to_;
-};
-
-}  // namespace extensions
-
-#endif  // CHROME_RENDERER_EXTENSIONS_BINDING_GENERATING_NATIVE_HANDLER_H_