Lazy load chrome.* APIs

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 "chrome/renderer/extensions/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_;
+};
+
+} // extensions
+
+#endif  // CHROME_RENDERER_EXTENSIONS_BINDING_GENERATING_NATIVE_HANDLER_H_