Split SchemaGeneratedBindings up into smaller, more targetted native handlers.

chrome/renderer/extensions/api_definitions_natives.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_API_DEFINITIONS_NATIVES_H_
+#define CHROME_RENDERER_EXTENSIONS_API_DEFINITIONS_NATIVES_H_
+#pragma once
+
+#include "chrome/renderer/extensions/chrome_v8_extension.h"
+#include "chrome/renderer/extensions/extension_dispatcher.h"
+
+#include "v8/include/v8.h"
+
+namespace extensions {
+
+// Native functions for JS to get access to the schemas for extension APIs.
+class ApiDefinitionsNatives : public ChromeV8Extension {
+ public:
+  explicit ApiDefinitionsNatives(ExtensionDispatcher* extension_dispatcher);
+
+ private:
+  // Takes no arguments and returns the list of schemas that are available to
+  // the calling context.
+  v8::Handle<v8::Value> GetExtensionAPIDefinition(const v8::Arguments& args);
+
+  DISALLOW_COPY_AND_ASSIGN(ApiDefinitionsNatives);
+};
+
+}  // namespace extensions
+
+#endif  // CHROME_RENDERER_EXTENSIONS_API_DEFINITIONS_NATIVES_H_